Amplify Phase Change Review

Front

What is a gas?

Back

A gas has no visible shape because its molecules can move away from each other.

Front

How does the attraction between molecules affect phase change?

Back

A substance with weaker attraction between its molecules can change phase more easily than one with stronger attraction.

Front

What happens to molecules during a phase change when energy is added?

Back

Molecules move faster and can change from solid to liquid or liquid to gas.

Front

What describes the movement of molecules in a liquid?

Back

Molecules in a liquid flow slowly but stick close together.

Front

What happens to a substance's molecules when energy is removed?

Back

The molecules move slower and can change from gas to liquid or liquid to solid.

Front

What is the state of matter where molecules are tightly packed and only vibrate in place?

Back

Solid.

Front

What is the state of matter where molecules can move around each other but are still close together?

Back

Liquid.

Front

What is the state of matter where molecules are far apart and move freely?

Back

Gas.

Front

What occurs when a liquid turns into a gas?

Back

Evaporation.

Front

What occurs when a gas turns into a liquid?

Back

Condensation.