P.3 Phase Change Pre-Unit Test 2024-25

Front

What happens to molecules when a substance changes from a liquid to a solid?

Back

The molecules move from moving around each other to moving in place.

Front

What is the term used to describe the movement of molecules in a substance?

Back

Freedom of Movement.

Front

What occurs to the molecules of a substance when energy is added and it undergoes a phase change from solid to liquid?

Back

The molecules move faster, and the substance becomes a liquid.

Front

What is the process called when an ice cube changes to liquid water?

Back

Melting.

Front

In which phase do molecules flow around each other?

Back

Liquid.

Front

What is the phase change from solid to liquid called?

Back

Melting.

Front

What is the phase change from liquid to solid called?

Back

Freezing.

Front

What happens to the energy of a substance when it changes from a solid to a liquid?

Back

Energy is absorbed.

Front

What is the term for the change of a substance from a gas to a liquid?

Back

Condensation.

Front

What is the term for the change of a substance from a liquid to a gas?

Back

Vaporization.