phase changes

Front

What is a phase change?

Back

A phase change is the transformation of a substance from one state of matter to another, such as solid, liquid, or gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens during condensation?

Back

Condensation is the process where gas turns into a liquid when it cools down.

Tags

NGSS.MS-PS1-4

Front

What is evaporation?

Back

Evaporation is the process where a liquid turns into a gas when it gains enough energy.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is melting?

Back

Melting is the phase change from solid to liquid when heat is added.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is freezing?

Back

Freezing is the phase change from liquid to solid when heat is removed.

Tags

NGSS.MS-PS1-4

Front

How does temperature affect molecular movement?

Back

As temperature increases, the kinetic energy of molecules increases, causing them to move faster.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the role of energy in phase changes?

Back

Energy must be added or removed for a phase change to occur.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is sublimation?

Back

Sublimation is the phase change from solid directly to gas without becoming a liquid.

Tags

NGSS.MS-PS1-4

Front

What is deposition?

Back

Deposition is the phase change from gas directly to solid without becoming a liquid.

Tags

NGSS.MS-PS1-4

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into a gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4