Phase Change Vocabulary Review

Front

Phase

Back

In the physical sciences, a phase is a region of material that is chemically uniform, physically distinct, and (often) mechanically separable.

Front

Temperature

Back

Physical property of matter that quantitatively expresses the common notions of hot and cold.

Front

Molecule

Back

A group of atoms bonded together, representing the smallest unit of a chemical compound that can take place in a chemical reaction.

Front

Kinetic Energy

Back

Energy of a physical moving body.

Front

Molecular Freedom

Back

To move freely without limitations.

Front

Solid

Back

A state of matter characterized by its definite shape and volume, where molecules are closely packed together.

Front

Liquid

Back

A state of matter that has a definite volume but takes the shape of its container, with molecules that are less tightly packed than in a solid.

Front

Gas

Back

A state of matter that has no definite shape or volume, with molecules that are far apart and move freely.

Front

Phase Change

Back

The transition of matter from one state to another, such as solid to liquid or liquid to gas.

Front

Melting Point

Back

The temperature at which a solid becomes a liquid.