Phase Changes Key Concepts Practice

Front

A _______ flows and can take the shape of its container.

Back

liquid

Front

A _______ has no visible shape and fills its container.

Back

gas

Front

A ________ does not have a visible shape because gas molecules can move away from each other.

Back

gas

Front

A _______ can flow because its molecules move around, not away from each other.

Back

liquid

Front

Thermal means _________.

Back

heat

Front

The process of a solid turning into a liquid is called _________.

Back

melting

Front

The process of a liquid turning into a gas is called _________.

Back

evaporation

Front

The process of a gas turning into a liquid is called _________.

Back

condensation

Front

The process of a liquid turning into a solid is called _________.

Back

freezing

Front

The temperature at which a solid becomes a liquid is called its _________.

Back

melting point