Conductors, Insulators, and Circuits

Front

What is a conductor?

Back

A material that allows electricity or heat to flow through it easily.

Front

What is an insulator?

Back

A material that does not allow electricity or heat to flow through it easily.

Front

Give an example of a good conductor of electricity.

Back

Copper.

Front

Give an example of a good insulator of heat.

Back

Styrofoam.

Front

What is a circuit?

Back

A path that a current can flow along.

Front

What type of circuit is needed for a light bulb to be ON?

Back

A closed circuit.

Front

What happens in an open circuit?

Back

The flow of electricity is interrupted, and the device does not work.

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter.

Front

What is electrical energy?

Back

The energy caused by the movement of electrons.

Front

What is the role of a switch in a circuit?

Back

To open or close the circuit, controlling the flow of electricity.