7th Grade Phase Change Review Amplify

Front

Freedom of Movement

Back

The way molecules in a substance move around relative to each other.

Front

What happens to molecules when their kinetic energy decreases?

Back

They move slower.

Front

Kinetic Energy

Back

The energy that an object has because it is moving.

Front

Molecular Attraction

Back

A pull between two molecules that is always the same for a substance.

Front

Refute

Back

To provide evidence that goes against a claim.

Front

Phase Change

Back

The transition of a substance from one state of matter to another, such as solid to liquid.

Front

Solid

Back

A state of matter characterized by fixed shape and volume, with closely packed molecules.

Front

Liquid

Back

A state of matter that has a definite volume but takes the shape of its container, with molecules that are close but can move past each other.

Front

Gas

Back

A state of matter with no fixed shape or volume, where molecules are far apart and move freely.

Front

Melting Point

Back

The temperature at which a solid becomes a liquid.