Phase Changes

Front

What is a solid?

Back

A state of matter that has a definite shape and a definite volume.

Tags

NGSS.MS-PS1-4

Front

What happens to particles when the temperature of matter increases?

Back

The particles speed up and move farther apart.

Tags

NGSS.MS-PS1-4

Front

What happens to particles when the temperature of matter decreases?

Back

The particles slow down and move closer together.

Tags

NGSS.MS-PS1-4

Front

What is a gas?

Back

A state of matter that has fast-moving particles and no definite shape or volume.

Tags

NGSS.MS-PS1-4

Front

What is a liquid?

Back

A state of matter where molecules slide past each other but stay close together; they do not form a regular pattern.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the definition of phase change?

Back

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

Tags

NGSS.MS-PS1-4

Front

What is melting?

Back

The process of a solid turning into a liquid when heat is applied.

Tags

NGSS.MS-PS1-4

Front

What is freezing?

Back

The process of a liquid turning into a solid when heat is removed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is evaporation?

Back

The process of a liquid turning into a gas when heat is applied.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

The process of a gas turning into a liquid when it cools down.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4