PHASE CHANGES Each state of matter is called a PHASE

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Presentation transcript:

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

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