8PS Unit 5: Forces and Motion Vocab 2

Front

electric force

Back

the attraction or repulsion between electric charges

Front

magnetic force

Back

the attraction or repulsion between magnetic poles

Front

electromagnetic force

Back

the attractive or repulsive force between electric charges and magnets

Front

dry cell

Back

an electric cell in which the electrolyte is absorbed in a solid to form a paste, preventing spillage.

Front

iron core of electromagnet

Back

serves to increase the magnetic field created

Front

charged object

Back

objects with either a positive or negative electric charge.

Front

voltage

Back

The difference in electrical potential energy between two places in a circuit.

Front

conductor

Back

A material that allows heat and electricity to pass through it.

Front

insulator

Back

A material that does not allow heat or electrons to move through it easily.

Front

electron

Back

A subatomic particle that has a negative charge