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PA
| Term | Definition |
|---|---|
| Characteristic | a special quality or appearance that makes an individual or group different from others |
| Endothermic | characteristic by or formed with absorption of heat |
| Energy | power or ability to be active; the ability to do work |
| Evaporate | to pass off or cause to pass off into vapor from a liquid |
| Exothermic | characterized by or formed with the giving off of heat |
| Gas | a fluid (such as hydrogen or air) that has no fixed shape and tends to expand without limit |
| Liquid | a liquid that has no independent shape but has a definite volume and does not expand indefinitely |
| Mass | the quantity of matter in a body |
| Melt | to exchange from a solid to a liquid state, usually through heat |
| Properties | special qualities of something |
| Shape | outward appearance; something having a certain form |
| Solid | a substance that keeps its size and shape |
| Volume | an amount of space as measured in cubic units |