Grade 8

Q1. What is the name of a path that allows an electrical current to flow?

• a)      Sensor

• b)      Artificial Intelligence

• c)       Circuit

• d)      Gravity

Which component limits the flow of current in a circuit?

• a)      Buzzer

• b)      Wire

• c)       Battery

• d)      Resistor

What is the name of a path that allows an electrical current to flow?

• a)      Sensor

• b)      Circuit

• c)      Artificial Intelligence

• a)      Gravity

What does a fuse do?

• a)      It measures the voltage and current in a circuit.

• b)      It gives power to the circuit.

• c)       It stops the current in a circuit when it gets too high.

• d)      It allows you to turn a circuit on or off.

What is the name of the force that happens when two objects rub against each other?

• a)      Applied force

• b)      Gravity

• c)       Friction

• d)      Normal force

Which part of a robot processes inputs and produces outputs?

• a)      Manipulator

• b)      Effector

• c)       Sensor

• d)      Controller

What is the name of this device?

• a)      Diode

• b) Potentiometer

• c)       LED

• d)      Resistor

Which sensor can input images and is used in computer vision?

• a)      Camera

• b)      Distance sensor

• c)Humidity sensor

• d)  Temperature sensor

What is the name of the tool at the end of a robot’s arm?

• a)      An effector

• b) manipulator

• c)       A controller

• d)  A power supply

Which device is used to measure the current and voltage in a circuit?

• a) Potentiometer

• b) Digital Multimeter

• c) Transistor

  Amplifier

• d) Amplifier