Phase Changes

Front

What is a 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

NGSS.MS-PS3-4

Front

What happens to molecules in a solid?

Back

Molecules in a solid move in place and are closely packed together.

Front

What happens to gas pressure when its volume decreases?

Back

The pressure of the gas increases when its volume decreases.

Front

What is the process called when a liquid turns into a solid?

Back

The process is called freezing.

Tags

NGSS.MS-PS1-4

Front

What is the process called when a solid turns into a liquid?

Back

The process is called melting.

Tags

NGSS.MS-PS1-4

Front

What is evaporation?

Back

Evaporation is the process where liquid turns into gas, usually at the surface.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the process where gas turns into liquid.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What is melting point?

Back

The melting point is the temperature at which a solid becomes a liquid.

Tags

NGSS.MS-PS1-4

Front

What is freezing point?

Back

The freezing point is the temperature at which a liquid becomes a solid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is sublimation?

Back

Sublimation is the process where a solid turns directly into a gas without becoming a liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4