Circuits

Front

What is the main source of current (power) in a circuit?

Back

Battery

Front

What is an insulator?

Back

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

Front

What is a conductor?

Back

A material that allows electricity to flow through it.

Front

What appliance converts (changes) electrical energy to heat energy?

Back

Hair dryer

Front

What happens if there is no energy source in a circuit?

Back

The circuit will not work.

Front

Why is plastic used around metal wires in chargers?

Back

Plastic is an insulator that prevents electric shock.

Front

What is a circuit?

Back

A closed path through which electricity flows.

Front

What is a light bulb?

Back

An appliance that converts electrical energy into light energy.

Front

What is the role of a battery in a circuit?

Back

It provides the electrical energy needed to power the circuit.

Front

What does it mean for a circuit to be complete?

Back

There is a continuous path for electricity to flow.