Phase Changes

Phase change going from Liquid to Solid...

• Melting

• Condensation

• Freezing

Phase change going from a Solid to a Liquid...

• Freezing

• Melting

• Condensation

The phase change from water vapor to liquid water is known as...

• evaporation

• condensation

• precipitation

A change of state from a liquid to a solid is called...

• Melting

• Evaporation

• Freezing

All phase changes (changing states) requires energy to be added or taken away.

• True

• False

What happens to particles when they are heated?

• They speed up and spread out

• They stop moving

• They slow down and compress

• They move closer together and speed up

Which of the following terms identifies the change from a liquid to gas?

• Evaporate

• Condensation

• Deposition

A gas

• has a definite shape but no definite volume

• has a definite volume but no definite shape

• has fast-moving particles

Phase change from a gas to a liquid.

• condensation

• melting

• evaporation

All changes in the state of matter of a substance requires

• vibration

• permission

• water

• energy