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WorksheetsComputing Creative Design and Innovation – Grade 8 Checkpoint 3
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Q1. What is the name of a path that allows an electrical current to flow? (3 marks)
a)
a) Sensor
b)
b) Artificial Intelligence
c)
c) Circuit
d)
d) Gravity
2.
Q2. Which component limits the flow of current in a circuit? (3 marks)
a)
a) Buzzer
b)
b) Wire
c)
c) Battery
d)
d) Resistor
3.
Q3. What does a fuse do? (3 marks)
a)
a) It measures the voltage and current in a circuit.
b)
b) It gives power to the circuit.
c)
c) It stops the current in a circuit when it gets too high.
d)
d) It allows you to turn a circuit on or off.
4.
Q4. Look at this circuit . What will turn on when the battery is connected? (3 marks)
a)
a) The buzzer
b)
b) The red LED and the blue LED
c)
c) The buzzer and the red LED
d)
d) The buzzer and the blue LED
5.
Q5. What is the name of the force that happens when two objects rub against each other? (3 marks)
a)
a) Applied force
b)
b) Gravity
c)
c) Friction
d)
d) Normal force
6.
Q6. Which part of a robot processes inputs and produces outputs? (3 marks)
a)
a) Manipulator
b)
b) Effector
c)
c) Sensor
d)
d) Controller
7.
Q7. What is the name of this device? (3 marks)
a)
a) Diode
b)
b) Potentiometer
c)
c) LED
d)
d) Resistor
8.
Q8. Which sensor can input images and is used in computer vision? (3 marks)
a)
a) Camera
b)
b) Distance sensor
c)
c) Humidity sensor
d)
d) Temperature sensor
9.
Q9. What is the name of the tool at the end of a robot's arm? (3 marks)
a)
a) An effector
b)
b) A manipulator
c)
c) A controller
d)
d) A power supply
10.
Q10. Which device is used to measure the current and voltage in a circuit? (3 marks)
a)
a) Potentiometer
b)
b) Digital Multimeter
c)
c) Transistor
d)
d) Amplifier
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