Physical Science Ch 7 Vocabulary

Front

Charging by Contact

Back

The process of transferring charge between objects by touching or rubbing.

Front

Charging by Induction

Back

The process of rearranging electrons on a neutral object by bringing a charged object close to it.

Front

Circuit

Back

A closed path through which an electric current flows or may flow.

Front

Conductor

Back

A material that allows electric charges to flow through it easily.

Front

Electric Current

Back

The flow of electric charge in a conductor.

Front

Electrical Power

Back

The rate at which electrical energy is transferred by an electric circuit.

Front

Insulator

Back

A material that does not allow electric charges to flow through it easily.

Front

Kilowatt-hour

Back

A unit of energy which is 1000 W used for 1 hour.

Front

Law of Conservation of Charge

Back

States that charge can be transferred from one object to another but cannot be created or destroyed.

Front

Ohm's Law

Back

States that the current in a circuit equals the voltage difference divided by the resistance.