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B2 Ch 2 Lesson 2
Changes of State
Term | Definition |
---|---|
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. |