Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to flow through it easily. Examples include metals like copper and iron.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to flow through it easily. Examples include rubber, plastic, and wood.

Front

Give an example of a good conductor.

Back

Copper wire is a good conductor of electricity.

Front

Give an example of a good insulator.

Back

Rubber is a good insulator and is often used to cover electrical wires.

Front

What happens when a conductor is used in a circuit?

Back

When a conductor is used in a circuit, it allows electrical energy to flow, completing the circuit.

Front

What happens when an insulator is used in a circuit?

Back

When an insulator is used in a circuit, it prevents electrical energy from flowing, which can break the circuit.

Front

Is water a conductor or an insulator?

Back

Water can be a conductor, especially when it contains impurities like salt.

Front

Why do we use insulators in electrical wiring?

Back

We use insulators in electrical wiring to prevent electrical energy from escaping and to protect people from electric shocks.

Front

What is the role of the plastic covering on wires?

Back

The plastic covering on wires acts as an insulator to prevent electrical energy from passing outside of the wires.

Front

Can you name a material that is neither a good conductor nor a good insulator?

Back

Wood is generally a poor conductor but can also act as an insulator.