9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
mechanical system
Law of Conservation of energy.
Wasted energy
Systems
3 points
not a mechanical system
Water gun
Syringe
The respondent's email (redd.scholtz15@hpps.co.za) was recorded on submission of this form.
Fan
An energy system is ...
1 point
Hammer
... two parts working together
… different parts working together.
What is the movement of the charges in a circuit called?
… three parts working together.
1 point
The current
Which systems relies on force and movement?
1 point
The electricity
The cell
Gravity
The electric circuit
Thermal
Mechanical
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
Electrical
1 point
Biological
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 1/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 2/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 3/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 4/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 5/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 6/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (nathan.kearney16@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 7/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 8/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1u… 9/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 10/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1…
11/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 12/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 13/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 14/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (lathitha.gomoshe18@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 15/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 16/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 17/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 18/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 19/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 20/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (james.delport15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 21/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 22/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 23/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 24/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 25/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 26/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 27/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 28/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (mark.harman15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 29/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 30/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 31/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 32/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 33/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 34/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (dhyana.bhika15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 35/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 36/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 37/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 38/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 39/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 40/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 41/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 42/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (kirsty.goliath15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 43/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 44/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 45/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 46/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 47/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 48/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (aluyolo.mzamo16@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 49/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 50/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 51/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 52/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 53/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 54/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 55/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 56/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (caleb.schafli15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 57/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 58/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 59/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 60/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 61/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 62/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (rachael.schwartz15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 63/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 64/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 65/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 66/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 67/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 68/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 69/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 70/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (michael.nienaber19@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 71/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 72/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 73/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 74/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 75/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 76/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (bryce.dewet15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 77/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 78/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 79/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 80/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 81/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 82/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 83/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 84/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kaitlin.marriott15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 85/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 86/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 87/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 88/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 89/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 90/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (stephen.tinhof15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 91/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 92/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 93/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 94/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 95/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 96/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 97/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 98/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (callum.castles15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ1… 99/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 100/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 101/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 102/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 103/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 104/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (oatile.makgatho18@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 105/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 106/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 107/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 108/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 109/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
110/791
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
111/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
112/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (victor.krause17@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
9/6/22, 10:54 AM
113/791
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
9/6/22, 10:54 AM
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
114/791
Term 3. Test 2
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
115/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
116/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
9/6/22, 10:54 AM
117/791
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
9/6/22, 10:54 AM
1 point
USEFUL energy and is this system an efficient system?
118/791
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (taariq.cramford21@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
119/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 120/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 121/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 122/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 123/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 124/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 125/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 126/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kaylim.padayachee15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 127/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 128/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 129/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 130/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 131/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 132/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (amber.collett15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 133/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 134/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 135/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 136/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 137/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 138/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 139/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 140/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (lizalise.jafta21@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 141/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 142/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 143/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 144/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 145/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 146/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (minentle.matiwane15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 147/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 148/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 149/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 150/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 151/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 152/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 153/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 154/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (ruth.saxton15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 155/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 156/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 157/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 158/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 159/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 160/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (kate.marais15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 161/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 162/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 163/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 164/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 165/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 166/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 167/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 168/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (chloe.phillips15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 169/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 170/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 171/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 172/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 173/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 174/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (stephanie.malinzi15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 175/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 176/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 177/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 178/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 179/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 180/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 181/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 182/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (edward.malinzi15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 183/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 184/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 185/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 186/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 187/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 188/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (mike.green15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 189/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 190/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 191/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 192/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 193/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 194/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 195/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 196/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (sarah.wolmarans15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 197/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 198/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 199/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 200/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 201/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 202/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (jamie.franzsen15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 203/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 204/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 205/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 206/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 207/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 208/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 209/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 210/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (lincoln.swales18@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
211/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 212/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 213/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 214/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 215/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 216/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (jessica.farr15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 217/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 218/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 219/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 220/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 221/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 222/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 223/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 224/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (bianca.koedyk15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 225/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 226/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 227/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 228/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 229/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 230/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (jordan.truter14@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 231/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 232/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 233/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 234/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 235/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 236/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 237/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 238/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (sarahjane.mouton15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 239/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 240/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 241/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 242/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 243/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 244/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (sethu.charlie15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 245/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 246/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 247/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 248/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 249/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 250/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 251/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 252/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (samkelo.stemela16@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 253/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 254/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 255/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 256/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 257/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 258/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (adam.pretorius15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 259/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 260/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 261/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 262/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 263/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 264/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 265/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 266/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (ethan.barry15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 267/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 268/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 269/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 270/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 271/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 272/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (kendra.sansom15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 273/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 274/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 275/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 276/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 277/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 278/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 279/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 280/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kayla.white15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 281/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 282/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 283/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 284/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 285/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 286/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (mia.truter14@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 287/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 288/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 289/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 290/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 291/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 292/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 293/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 294/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (camagu.yawathe15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 295/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 296/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 297/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 298/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 299/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 300/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (keiran.mann14@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 301/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 302/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 303/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 304/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 305/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 306/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 307/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 308/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (tristan.meinie15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 309/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 310/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
311/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 312/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 313/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 314/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
Term 3. Test 2
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
The respondent's email (rebecca.vanderwesthuizen15@hpps.co.za) was recorded on submission of
this form.
200 J, inefficient
1000 J, efficient
1000 J, inefficient
An energy system is ...
1 point
500 J, efficient
500 J, inefficient
... two parts working together
700 J, efficient
… different parts working together.
700 J, inefficient
… three parts working together.
This form was created inside Hudson Park School.
Forms
Which systems relies on force and movement?
1 point
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 315/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 316/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 317/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 318/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 319/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 320/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 321/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 322/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (realeboha.mosala15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 323/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 324/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 325/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 326/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 327/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 328/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (ahluma.jaji18@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 329/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 330/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 331/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 332/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 333/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 334/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 335/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 336/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (ryan.ngxanga19@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 337/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 338/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 339/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 340/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 341/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 342/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (elijah.vanderberg15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 343/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 344/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 345/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 346/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 347/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 348/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 349/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 350/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (caitlin.malan18@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 351/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 352/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 353/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 354/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 355/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 356/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (shannon.flusk15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 357/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 358/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 359/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 360/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 361/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 362/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 363/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 364/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (usisipho.mnqeta15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 365/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 366/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 367/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 368/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 369/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 370/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (xavier.lopes15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 371/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 372/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 373/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 374/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 375/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 376/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 377/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 378/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (zinathi.dlanga21@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 379/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 380/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 381/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 382/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 383/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 384/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (taniquelee.benito15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 385/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 386/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 387/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 388/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 389/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 390/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 391/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 392/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (yanga.majozini22@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 393/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 394/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 395/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 396/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 397/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 398/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (nthatile.thabana15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 399/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 400/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 401/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 402/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 403/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 404/791
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:54 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 405/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 406/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (daniel.pearce15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 407/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 408/791
9/6/22, 10:54 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:54 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 409/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 410/791
9/6/22, 10:54 AM
9/6/22, 10:54 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
411/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 412/791
9/6/22, 10:54 AM
Term 3. Test 2
9/6/22, 10:54 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (joachim.white15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 413/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 414/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 415/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 416/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 417/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 418/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 419/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 420/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (riley.cook15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 421/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 422/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 423/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 424/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 425/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 426/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (lingcwele.mpumza15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 427/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 428/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 429/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 430/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 431/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 432/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 433/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 434/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (danika.james15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 435/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 436/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 437/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 438/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 439/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 440/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (sisanda.mtshemla15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 441/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 442/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
answer)
mechanical system
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 443/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 444/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 445/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 446/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 447/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 448/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (amyann.fortuin15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 449/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 450/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 451/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 452/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 453/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 454/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (nali.sokupa20@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 455/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 456/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 457/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 458/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 459/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 460/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 461/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 462/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (katelyn.stanford15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 463/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 464/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 465/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 466/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 467/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 468/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (siphesihle.mbinqo15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 469/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 470/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 471/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 472/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 473/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 474/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 475/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 476/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kiaraleigh.fourie15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 477/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 478/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 479/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 480/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 481/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 482/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (layke.vosloo15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 483/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 484/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 485/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 486/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 487/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 488/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 489/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 490/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (silver.moore15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 491/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 492/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 493/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 494/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 495/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 496/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (connor.whelan15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 497/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 498/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 499/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 500/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 501/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 502/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 503/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 504/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (taylor.emslie15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 505/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 506/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 507/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 508/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 509/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 510/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (esona.deleki20@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
511/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 512/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 513/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 514/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 515/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 516/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 517/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 518/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (lunathi.qongqo17@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 519/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 520/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 521/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 522/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 523/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 524/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (dustin.gratz14@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 525/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 526/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 527/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 528/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 529/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 530/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 531/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 532/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (aya.tunyiswa15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 533/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 534/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 535/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 536/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 537/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 538/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (ndalo.magugu15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 539/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 540/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 541/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 542/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 543/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 544/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 545/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 546/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (hannamae.boyce15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 547/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 548/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 549/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 550/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 551/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 552/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (achumile.ndakisa15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 553/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 554/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 555/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 556/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 557/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 558/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 559/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 560/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kwakhanya.jekwa15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 561/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 562/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 563/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 564/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 565/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 566/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (clement.makelele15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 567/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 568/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 569/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 570/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 571/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 572/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 573/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 574/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kayden.glasgow15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 575/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 576/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 577/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 578/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 579/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 580/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (lihle.maxela18@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 581/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 582/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 583/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 584/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 585/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 586/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 587/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 588/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (zukhanye.mkoko19@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 589/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 590/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 591/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 592/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 593/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 594/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (traegan.nel15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 595/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 596/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 597/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 598/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 599/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 600/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 601/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 602/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (kiara.mcconnachie15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 603/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 604/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 605/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 606/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 607/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 608/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (matthew.lawlor15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 609/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 610/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
611/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 612/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 613/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 614/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 615/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 616/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (reece.godfrey15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 617/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 618/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 619/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 620/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 621/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 622/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (shelby.joubert20@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 623/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 624/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 625/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 626/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 627/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 628/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 629/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 630/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (iminathi.mlanga21@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 631/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 632/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 633/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 634/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 635/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 636/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
200 J, efficient
The respondent's email (blake.jansevanrensburg15@hpps.co.za) was recorded on submission of this
form.
200 J, inefficient
1000 J, efficient
1000 J, inefficient
An energy system is ...
1 point
500 J, efficient
500 J, inefficient
... two parts working together
700 J, efficient
… different parts working together.
700 J, inefficient
… three parts working together.
This form was created inside Hudson Park School.
Which systems relies on force and movement?
Forms
1 point
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 637/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 638/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 639/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 640/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 641/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 642/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 643/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 644/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (ashleigh.doman21@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 645/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 646/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 647/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 648/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 649/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 650/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (imange.maliwa21@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 651/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 652/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 653/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 654/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 655/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 656/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 657/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 658/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (unako.silinga15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 659/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 660/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 661/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 662/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 663/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 664/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (unika.lukhozi20@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 665/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 666/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 667/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 668/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 669/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 670/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 671/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 672/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (kanyenati.kondile15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 673/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 674/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 675/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 676/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 677/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 678/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (iminathi.potwana19@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 679/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 680/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 681/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 682/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 683/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 684/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 685/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 686/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (anna.mountfort15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 687/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 688/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 689/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 690/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 691/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 692/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (anoyolo.gqomo15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 693/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 694/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 695/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 696/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 697/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 698/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 699/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 700/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (ambesiwe.booysen14@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 701/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 702/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 703/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 704/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 705/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 706/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (lisa.mavata17@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 707/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 708/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
1 point
output energy will be.
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 709/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 710/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ…
711/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 712/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
1 point
USEFUL energy and is this system an efficient system?
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 713/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 714/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (josh.wilkie15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 715/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 716/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 717/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 718/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 719/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 720/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (kayla.dorning15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 721/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 722/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 723/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 724/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 725/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 726/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 727/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 728/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (lisolethu.mandleni15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 729/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 730/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 731/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 732/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 733/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 734/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (indiphile.metu15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 735/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 736/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
D
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 737/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 738/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 739/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 740/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 741/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 742/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
Term 3. Test 2
3 points
answer)
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
not a mechanical system
Water gun
The respondent's email (gugu.ngeku21@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 743/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 744/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 745/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 746/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 747/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 748/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (unathi.ntini15@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 749/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 750/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 751/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 752/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 753/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 754/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 755/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 756/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (alizwa.sowazi17@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 757/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 758/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 759/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 760/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 761/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 762/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
1 point
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (micaela.hammond19@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 763/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 764/791
9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
The cell
chemical potential
energy
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
C
Mechanical system, electrical system, thermal energy.
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 765/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 766/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 767/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 768/791
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. What are the wasted outputs?
9/6/22, 10:55 AM
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 769/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 770/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (emihle.nkonki15@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 771/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 772/791
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
9/6/22, 10:55 AM
4 points
elastic potential energy
Term 3. Test 2
Refer to the picture. Workout the missing value.
1 point
800J
500J
A
700J
B
300J
100J
C
D
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 773/791
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 774/791
9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 775/791
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9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
Term 3. Test 2
Term 3. Test 2
200 J, efficient
Law of Conservation of energy.
Wasted energy
Systems
200 J, inefficient
The respondent's email (kungawo.nogwebela17@hpps.co.za) was recorded on submission of this form.
1000 J, efficient
An energy system is ...
1000 J, inefficient
500 J, efficient
1 point
... two parts working together
500 J, inefficient
… different parts working together.
700 J, efficient
… three parts working together.
700 J, inefficient
This form was created inside Hudson Park School.
Which systems relies on force and movement?
1 point
Forms
Gravity
Thermal
Mechanical
Electrical
Biological
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9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
mechanical system
3 points
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
4 points
not a mechanical system
Water gun
Syringe
Fan
Hammer
What is the movement of the charges in a circuit called?
1 point
The current
The electricity
chemical potential
energy
The cell
kinetic energy
elastic potential energy
The electric circuit
A
B
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
C
D
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
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9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Workout the missing value.
9/6/22, 10:55 AM
1 point
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
800J
efficient
500J
inefficient
1 point
700J
300J
100J
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9/6/22, 10:55 AM
9/6/22, 10:55 AM
Refer to the picture. What are the wasted outputs?
Term 3. Test 2
1 point
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
sound energy
kinetic energy
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
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9/6/22, 10:55 AM
Term 3. Test 2
9/6/22, 10:55 AM
Term 3. Test 2
Which of the items below is an example of a mechanical system? (more than one
answer)
Term 3. Test 2
Law of Conservation of energy.
Wasted energy
Systems
mechanical system
3 points
not a mechanical system
Water gun
The respondent's email (likho.gidi13@hpps.co.za) was recorded on submission of this form.
Syringe
An energy system is ...
1 point
Fan
... two parts working together
Hammer
… different parts working together.
… three parts working together.
What is the movement of the charges in a circuit called?
Which systems relies on force and movement?
1 point
1 point
The current
The electricity
Gravity
The cell
Thermal
The electric circuit
Mechanical
Electrical
Biological
When considering a door bell. State what kind of system/s there are, and what the
output energy will be.
1 point
Mechanical system, electrical system, thermal energy.
Mechanical system and sound energy.
Electrical system and sound energy.
Mechanical system, electrical system and sound energy.
https://docs.google.com/forms/d/1AKG4MlqVipLzOU8Luv7eNebxh0419gfuk8UmOStpTCs/edit#response=ACYDBNi_CjTltqKc1Zi0wfTrg_GQ… 785/791
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9/6/22, 10:55 AM
9/6/22, 10:55 AM
Term 3. Test 2
Look at the picture. Give the CHAIN of energy transfer. *
chemical potential
energy
kinetic energy
4 points
elastic potential energy
Refer to the picture. Workout the missing value.
Term 3. Test 2
1 point
800J
500J
A
700J
B
C
300J
100J
D
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9/6/22, 10:55 AM
Term 3. Test 2
Refer to the picture. Is this an efficient of inefficient system?
9/6/22, 10:55 AM
1 point
Refer to the picture. What are the wasted outputs?
efficient
sound energy
inefficient
kinetic energy
Term 3. Test 2
1 point
Electrical energy
Thermal energy
Sound and kinetic energy
Sound and thermal energy
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9/6/22, 10:55 AM
Term 3. Test 2
A TV needs 1200J of energy to work. This energy is transferred to; 500J to light energy,
500J to sound energy and 200J to heat energy. How many of the joules is transferred to
USEFUL energy and is this system an efficient system?
1 point
200 J, efficient
200 J, inefficient
1000 J, efficient
1000 J, inefficient
500 J, efficient
500 J, inefficient
700 J, efficient
700 J, inefficient
This form was created inside Hudson Park School.
Forms
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