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Physical Changes

TermDefinition
Physical Properties A characteristic of a substance can be observed without changing the identity of the substance.
Physical change A change in a substance that does not change the substance into a different one.
Melting point The temperature at which a substance change from it's solid state to it's liquid state through melting.
Boiling point The temperature at which a substance changes from it's liquid state to it's solid state through boiling.
Freezing point The temperature at which a substance changes from it's liquid to it's solid state through freezing
Sublimation The process by which a substance changes directly from it's solid state to it's gas state without becoming a liquid first.
Condesation The process by which a gas becomes a liquid
Evaporation A process by which a substance changes from it's liquid state to it's gas state by random particles movement. Evaporation usually occurs at the surface of a liquid over a wide range of temperatures.
Created by: s33348