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 to liquid or liquid to gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to the molecules during melting?

Back

During melting, the molecules gain energy and move faster, breaking free from their fixed positions.

Tags

NGSS.MS-PS1-4

Front

What is the boiling point of water?

Back

The boiling point of water is 100°C at standard atmospheric pressure.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the process where gas turns into a liquid, often seen when water vapor cools and forms droplets.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is evaporation?

Back

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

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is the freezing point of water?

Back

The freezing point of water is 0°C at standard atmospheric pressure.

Tags

NGSS.MS-PS1-4

Front

What is sublimation?

Back

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

Tags

NGSS.MS-PS1-4

Front

What is the state of matter with a definite shape and volume?

Back

Solid.

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid.

Front

What is the state of matter that has no definite shape or volume?

Back

Gas.