States of Matter vocabulary Sigma 6
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Created by:
ddechellis on November 13, 2009
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20 terms
Terms | Definitions |
|---|---|
 physical change | a change in a substance that does not change its identity |
| chemical change | a change in which one or more substances combine or break apart to form new substances |
| solid | a state of matter that has a definite volume and definite shape |
| 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 |
| fluid | any substance that can flow |
| melting | the change in state from a solid to a liquid |
| 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 place inside a liquid as well as on the surface |
| 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 |
| freezing | the change in state from a liquid to a solid |
| volume | the amount of space that matter occupies |
| element | a substance that can not be broken down into other substances by chemical or physical means |
| compound | a substance made up of two or more elements chemically combined |
| atom | the smallest particle in an atom |
| molecule | a combination of two ore more atoms |
| matter | anything that has mass and takes up space |
| mass | a measure of how much matter is in an object |
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