8 PS.1 Vocab

Front

Attraction

Back

A force that pulls objects toward each other, like magnets pulling together or positive and negative charges coming together.

Front

Electrical current

Back

The flow of electric charges (electrons) through a material, usually a wire.

Front

Galvanometer

Back

A device that measures small electric currents.

Front

Ions

Back

Atoms or molecules that have gained or lost electrons, giving them a positive or negative charge.

Front

Multimeter

Back

A tool used to measure electricity in different ways, like voltage, current, and resistance.

Front

Negative pole

Back

The end of a battery or magnet where negative charges (or electrons) are concentrated.

Front

Positive pole

Back

The end of a battery or magnet where positive charges are concentrated.

Front

Repulsion

Back

A force that pushes objects away from each other, like two magnets with the same poles facing each other.

Front

Theory

Back

A well-tested explanation that describes how or why something happens in science.

Front

Electromagnetic energy

Back

Energy carried by electric and magnetic forces.