PHASE CHANGES Each state of matter is called a PHASE
Phase change: The REVERSIBLE, physical change that occurs when a substance changes from one STATE to another.
Temperature and Phase Change The temperature of a substance does NOT CHANGE during a phase change.
Energy and Phase Change Energy is either ABSORBED or released during a phase change.
Endothermic Energy ABSORBED (energy IN)
Exothermic Energy RELEASED (energy OUT)
MELTING Solid to liquid
VAPORIZATION Liquid to Gas Boiling Evaporation
FREEZING Liquid to Solid
CONDENSATION Gas to Liquid
SUBLIMATION Solid to Gas
DEPOSITION Gas to Solid