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States of Matter
States of Matter and Changes of State
| Term | Definition |
|---|---|
| solid | a state of matter that has a definite shape and a definite volume |
| liquid | a state of matter that has no definite shape but has a definite volume |
| gas | a state of matter with no definite shape or volume |
| melting point | the temperature at which a substance changes from a solid to a liquid |
| melting | the change from the solid to the liquid state of matter |
| freezing | the change from the liquid to the solid state of matter |
| vaporization | the change of state from a liquid to a gas |
| evaporation | the process that occurs when vaporization takes place only on the surface of a liquid |
| boiling | the process that occurs when vaporization takes a place inside a liquid as well as on the surface |
| boiling point | the temperature at which a substance changes from a liquid to a gas |
| condensation | the change from a gaseous to the liquid state of matter |