Circuits and vocab

Front

What is a material that does NOT let electricity pass through it called?

Back

An electrical insulator.

Front

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

Back

To make it safe.

Front

Why is electrical wiring usually made from copper?

Back

Because copper conducts electricity.

Front

Which bulbs will light in a circuit?

Back

Bulbs 3 and 4.

Front

Which of the following materials is an electrical conductor?

Back

Copper spoon.

Front

What is an electrical conductor?

Back

A material that allows electricity to flow through it.

Front

What is an electrical insulator?

Back

A material that does NOT allow electricity to flow through it.

Front

What is the purpose of an electrical source?

Back

To provide the energy needed to move electric charges.

Front

What is an electric appliance?

Back

A device that uses electricity to perform a specific function.

Front

What happens when a circuit is closed?

Back

Electricity can flow through the circuit.