Unit 8: Electricity Review

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

What creates electricity?

Back

Electricity is created by the flow of electrons.

Front

What is the flow of electric charges in a circuit called?

Back

The flow of electric charges in a circuit is called electric current.

Front

What is an ammeter used for?

Back

An ammeter is used to measure electric current.

Front

What is the push that makes electrons flow?

Back

The push that makes electrons flow is called voltage.

Front

What is voltage?

Back

Voltage is the electrical potential difference that drives the flow of electrons.

Front

What is electric current?

Back

Electric current is the rate at which electric charges flow through a conductor.

Front

What is resistance?

Back

Resistance is the opposition to the flow of electric current.

Front

What is a circuit?

Back

A circuit is a closed loop that allows electric current to flow.

Front

What is a switch?

Back

A switch is a device that can open or close a circuit.