TECHNOLOGY GRADE 9
MINI PAT ACTIVITY TERM 3
NAME _________________________________ DATE ____________CLASS ____
SCENARIO
Design and make a door alarm with an electrical circuit that will set off an alarm when the
door is opened. Your model must have a structure that will house the circuit. You may
choose to use a buzzer or a light to indicate that the door is opened. The size of your model
may not exceed A4 page.
(NOTE: Due to the cost of a sensor the scenario in the textbook was change to the above
scenario.)
1. ACTIVITY 1
INVESTIGATION
( 20)
Electrical components /Drawing electrical circuit
Design brief, Specifications and Constraints
2. ACTIVITY 2
(30)
Free hand drawing
Material list and Tool list
Making the model
Evaluation of your model
3. ACTIVITY 3
Isometric and orthographic drawing
(20)
70
NAME________________________________DATE_________________CLASS_____
ACTIVITY 1.1 INVESTIGATION
(10 MARKS)
1.1.1 COMPLETE THE TABLE BELOW. (Refer to page 145 of text book)
COMPONENT
SYMBOL
(5)
FUNCTION IN A CIRCUIT
POWER SUPPLY
NPN TRANSISTOR
RESISTOR
LIGHT DEPENDENT RESISTOR
(LDR)
LIGHT EMITTING DIODE (LED)
1.1.2 DRAWING A CIRCUIT DIAGRAM USING THE COMPONENTS ABOVE IN THE SPACE BELOW. (5)
2
NAME________________________________DATE_________________CLASS_____
ACTIVITY 1.2 DESIGN BRIEF, SPECIFICATIONS & CONSTRAINTS (10
MARKS)
SCENARIO
Design and make a door alarm with an electrical circuit that will set off an alarm when the
door is opened. Your model must have a structure that will house the circuit. You may
choose to use a buzzer or a light to indicate that the door is opened. The size of your model
may not exceed A4 page.
(NOTE: Due to the cost of a sensor the scenario in the textbook was change to the above
scenario.)
DESIGN BRIEF (4 MARKS)
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SPECIFICATIONS (4 MARKS)
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CONSTRAINTS (2 MARKS)
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3
NAME________________________________DATE_____________CLASS____
ACTIVITY 2.2 MATERIALS & TOOL LIST (5MARKS)
MATERIALS
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TOOLS
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ACTIVITY 2.3
MAKING THE MODEL
ASSESSMENT CRITERIA
MARK
CONSTRUCTION
4
CREATIVITY
3
STRENGTH
3
SIZE (NOT EXCEEDING A4)
2
FUNCTIONALITY
3
TOTAL
15
5
(15 MARKS)
LEARNER MARK
NAME________________________________DATE_________________CLASS_____
ACTIVITY 2.4
EVALUATION OF YOUR MODEL
(5 MARKS)
MARKS
MARKS
ALLOCATION
ASSESSMENT RUBRIC
The model is strong and rigid
2
The model is the same as planned
1
Identify two aspects that you could improve on the model. Add why it should be improved and how
you would improve it.
(2)
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ACTIVITY 2 TOTAL MARKS
ACTIVITY 2 .1 ________________
ACTIVITY 2.2 ________________
ACTIVITY 2.3 ________________
ACTIVITY 2.4 ________________
TOTAL
________________/30
6