Phase Changes

Front

What is the phase change from water vapor to liquid water called?

Back

Condensation

Front

What describes a gas?

Back

A gas has fast-moving particles.

Front

What happens to particles when the temperature of matter decreases?

Back

The particles slow down and move closer together.

Front

What is the phase change from a solid to a liquid called?

Back

Melting

Front

What happens to particles when they are heated?

Back

They speed up and spread out.

Front

What is the phase change from liquid to gas called?

Back

Evaporation.

Front

What is the phase change from gas to solid called?

Back

Deposition.

Front

What is the phase change from solid to gas called?

Back

Sublimation.

Front

What happens during freezing?

Back

A liquid turns into a solid as particles lose energy.

Front

What is the definition of temperature in relation to particle movement?

Back

Temperature is a measure of the average kinetic energy of particles.