Phase Change

Front

What is phase change?

Back

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

Tags

NGSS.MS-PS1-4

Front

What happens to molecules during a phase change?

Back

Molecules either gain or lose energy, which affects their movement and arrangement.

Tags

NGSS.MS-PS1-4

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into gas, usually due to an increase in temperature.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the process where gas turns into liquid, usually due to a decrease in temperature.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is melting?

Back

Melting is the process where solid turns into liquid, typically when heat is added.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is freezing?

Back

Freezing is the process where liquid turns into solid, typically when heat is removed.

Tags

NGSS.MS-PS1-4

Front

How does temperature affect molecular movement?

Back

As temperature increases, molecular movement becomes faster; as temperature decreases, molecular movement slows down.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to the arrangement of molecules during evaporation?

Back

During evaporation, the arrangement of molecules becomes farther apart.

Tags

NGSS.MS-PS1-4

Front

What happens to the arrangement of molecules during condensation?

Back

During condensation, the arrangement of molecules becomes closer together.

Tags

NGSS.MS-PS1-4

Front

What is the relationship between heat energy and phase changes?

Back

Heat energy is either added or removed during phase changes, affecting the state of matter.

Tags

NGSS.MS-PS1-4