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B2 Ch 2 Lesson 2

Changes of State

TermDefinition
Melting The change in state from a solid to a liquid.
Melting Point The temperature at which a substance changes from a solid to a liquid.
Freezing The change in state from a liquid to a solid.
Vaporization The change of state from a liquid to a gas.
Evaporation The process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
Boiling Vaporization that occurs at and below the surface of a liquid.
Boiling Point The temperature at which a liquid boils.
Condensation The change of state from a gas to a liquid.
Sublimation The change in state from a solid directly to a gas without passing through the liquid state.
Created by: Juchrin