S5P2c (conductors and insulators)

Front

What is a conductor?

Back

A material that allows heat or electric current to flow through easily.

Front

What is an insulator?

Back

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

Front

Why are metals used in car motor parts instead of plastics?

Back

Metals can withstand heat better than most plastics.

Front

What is an example of a good insulator for electrical wires?

Back

Rubber.

Front

Is silver a conductor or an insulator?

Back

Conductor.

Front

What do conductors allow to pass through?

Back

Heat and electric current.

Front

What do insulators prevent from passing through?

Back

Heat and electric current.

Front

Name a common conductor used in electrical wiring.

Back

Copper.

Front

What is the main property of insulators?

Back

They resist the flow of heat and electric current.

Front

Why is rubber used to cover electrical wires?

Back

Because it is a good insulator and prevents electric shock.