Electrical and Circuits

Front

Why is electrical wiring usually covered with a layer of plastic?

Back

To make it safe.

Front

A conductor is ____________

Back

something that allows electric current to flow easily.

Front

Metal is used to make electrical wires because_______

Back

It allows an electric current to freely flow.

Front

The best conductors for electricity are made of...

Back

metal.

Front

Why is electrical wiring usually made from copper?

Back

Because copper conducts electricity.

Front

What is an insulator?

Back

A material that does not allow electric current to flow easily.

Front

Give an example of a good insulator.

Back

Rubber.

Front

What is the purpose of a circuit?

Back

To provide a path for electric current to flow.

Front

What happens if there is a break in a circuit?

Back

The flow of electricity stops.

Front

What is a switch?

Back

A device that can open or close a circuit.