Conductors and Insulators

Front

What is a conductor?

Back

A material that lets electricity flow through it.

Front

What is an insulator?

Back

A material that does not let electricity flow through it.

Front

Give an example of a conductor.

Back

Copper, aluminum, and gold are examples of conductors.

Front

Give an example of an insulator.

Back

Rubber, plastic, and wood are examples of insulators.

Front

What do all conductors have in common?

Back

They are all made of metal.

Front

What is the purpose of insulation on electric wires?

Back

To prevent electricity from escaping and to protect people from electric shock.

Front

Can electricity flow through water?

Back

Yes, but only if the water is not pure (like saltwater).

Front

What is the outer covering of an electric wire usually made of?

Back

Plastic.

Front

Do all materials allow electricity to flow through them?

Back

No.

Front

What happens when a conductor is connected to a power source?

Back

Electricity flows through the conductor.