USA #4 Review

Front

What is an open circuit?

Back

An open circuit is a circuit that is not complete, meaning that electricity cannot flow through it.

Front

What is a closed circuit?

Back

A closed circuit is a complete circuit that allows electricity to flow.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily.

Front

Which material is the best insulator?

Back

Material 3 is the best insulator.

Front

What happens when you flip a light switch on?

Back

You are closing the circuit, allowing electricity to flow.

Front

What happens when you flip a light switch off?

Back

You are opening the circuit, stopping the flow of electricity.

Front

What is a complete circuit?

Back

A complete circuit, also known as a closed circuit, is one where all components are connected, allowing current to flow.

Front

What is a broken circuit?

Back

A broken circuit is an incomplete circuit where the flow of electricity is interrupted.

Front

What is the role of a switch in a circuit?

Back

A switch controls the flow of electricity by opening or closing the circuit.

Front

What is the energy source in a circuit?

Back

The energy source provides the power needed for electricity to flow, such as a battery or power outlet.