Electricity and Electromagnets Quiz

During hot or summer days, people must wear white or light-colored clothes because.

• It doesn't absorb a greater amount of heat.

• It gives you time to feel safe.

• It helps you feel exhausted and tired.

• It lowers the temperature of the body.

Why do most people in tropical countries use white paint for their homes?

• to shade their house

• to absorb heat

• to make feel cool and comfortable

• to decrease the temperature

Why is light absorbed by the plants useful?

• Over exposure of plants to light makes plants die.

• It makes the plants green.

• Light is reflected and increases its temperature.

• It makes the environment cool.

Why are electric wires usually made up of copper?

• Because copper is a good insulator.

• Because copper is a poor insulator.

• Because copper is a poor conductor.

• Because Copper is a good conductor.

The complete path that allows free flow of electricity

• Battery

• Circuit

• Electricity

• magnet

A circuit has power supply, load, switch, and a __________.

• battery

• bulb

• motor

• wires

What supplies energy in an electric circuit?

• battery

• conductor

• Light bulb

• wire

What is wrong with this circuit diagram?

• There is no switch

• There are two bulbs

• There is only one battery

• There is missing wire

What is the function of a power source in a circuit?

• It provides a steady source of electricity

• It provides a means through which the circuit can be broken

• It opens and closes the circuit

• It resists the flow of electrons

A kind of circuit consisting of more than one pathway for electricity

• closed

• open

• parallel

• series