What is a phase change?

What happens during a phase change?

Melting

Freezing

Vaporization (boiling)

Evaporation

Condensation

Sublimation

Deposition

Types of Phase Changes (Photo)

Does the temperature of a substance change as the a state change is occurring?

Water phase change graph (photo)

Change of State vs Change in Temperature

Melting & Boiling Points

Summary (photo)