INTERNATIONAL CURRICULUM SCHOOL
CANDIDATE
NAME
ADMISSION
NUMBER
CLASS
PHYSICS
End Term Exam
Candidates should answer on the question paper.
Year 7
Time: 1hr 30 Minutes
JUNE 2022
READ THESE INSTRUCTIONS FIRST
Write your name and admission number.
Write in dark blue or black pen
Donot use correction fluid
Answer all questions
If working is needed for any questions it must be shown below that question
Electronic calculators should NOT be used.
If the degree of accuracy is not specified in the question, and if the answer is not exact, give your answer
to three significant figures. Give your answer in degrees to one decimal place.
The number of marks is given in brackets[ ] at the end of each question or part question
The total of the marks for this paper is 50.
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1. Complete the sentences by choosing the correct word from the list.
Length
mass
volume
weight
a. The newton, N, is a unit of ……………… (1 mark)
b. The kilogram, kg, is a unit of ……………. (1 mark)
2. What is the meaning of the term weight?
(1 mark)
3. Salma says that the contact force is equal and opposite to the weight of an object. Is her
statement true or false? (1 mark)
4. A large rock rests on the ground. The weight of the rock is 8000 N. What is the size of
the contact force acting on the rock from the ground? (2 mark)
5. A girl on the surface of the Earth has a mass of 40 kg. If the gravitational pull on the
earth is 10 N/kg, calculate her weight. (3 marks)
6. Which of these is the name given to a cloud of dust and gas in space? (1 mark)
Planet
star
nebula
2
moon
7. Which of these forces acts on the earth as it orbits the Sun? (1 mark)
Air resistance only
gravity only
gravity and air resistance
8. State the word used to describe a space that has no particles in it. (1 mark)
9. Which of these flows around a complete circuit? (1 mark)
Voltage
wires
current
heat
10. Define the following terms: (6 marks)
a. Current
b. A cell
c. Electrons.
d. Components
3
e. Terminals
f. A battery
11. Fill the table below by drawing circuit symbols and state their functions. (12 marks)
Name
Symbol
Function
Ammeter
Cell
Lamp
Switch (Open)
Switch (Closed)
Buzzer
12. Circuits can be shown in a drawing or a circuit diagram. List three advantages of a circuit
diagram. (3 marks)
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13. In a circuit, current is measured in units called………………….(amperes, volts, current)
(1 mark)
14. Complete the following sentence by choosing the correct word:
Parallel
series
line
Ammeters are always connected in …………………….. with other components in a
circuit. (1 mark)
15. Define the following terms:
a. Electrical conductor.
(1 mark)
b. Electrical insulator. (1 mark)
16. Use words from the list provided to complete the following sentences:
Plastic
steel
aluminum
wood
Examples of electrical conductors include………………….and ….……………(2 marks)
Examples of electrical insulators include ………………..and …………………(2 marks)
17. Elmo says that insulators are materials that do not allow current to flow through. Is her
statement true or false?
(1 mark)
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18. Complete the following sentence. Current in a circuit is the flow of particles
called……………………….. (1 mark)
19. Hanan and Taneem conducted an experiment to investigate the effect of increasing the
number of bulbs in a circuit. Suggest the observation they made on the brightness of the
bulbs when the number of bulbs were increased.
(2 marks)
20. Use words from the list below to complete the following sentences.
Inhibits
free to move
allows
not free to move
a. A conductor …………………electron flow (1 mark)
b. An insulator …………………electron flow. (1 mark)
c. In an insulator, electrons are ……………….(1 mark)
d. In a conductor, electrons are……………………… (1 mark)
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