Insulators and Conductors

Front

What is a conductor?

Back

A conductor is a material that allows electric charge to move through it as an electric current. Usually, the charge is carried by electrons, and the conductor is often a metal.

Front

What is an insulator?

Back

An insulator is a material or an object that does not easily allow heat, electricity, light, or sound to pass through it. Examples include rubber, cloth, and air.

Front

Give an example of a conductor.

Back

Metal is an example of a conductor.

Front

True or False: Rubber is an insulator.

Back

True

Front

What would best complete this circuit? A wire, A switch, A battery, A light bulb?

Back

A battery.

Front

What is the opposite of a conductor?

Back

An insulator.

Front

Name a good electrical insulator.

Back

Rubber.

Front

What happens to electricity when it passes through a conductor?

Back

Electricity flows easily through a conductor.

Front

What is the role of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.

Front

What materials are good thermal insulators?

Back

Feathers and wool are good thermal insulators.