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Physical & Chemical
Term | Definition |
---|---|
1. Physical change | a change in which no new substances form |
2. Temperature | a measure of how warm something is |
3. Melting | the change from a solid to a liquid |
4. Evaporation | the change from a liquid to a gas at the surface of the liquid |
5. Condensation | the change from a gas to a liquid |
6. Freezing | the change from a liquid to a solid. |
7. Mixture | a combination of two or more substances in which each substance keeps its own properties |
8. Solution | a mixture in which one substance dissolves in another |
9. Dissolve | to mix evenly into another substance. When a substance dissolves, it breaks into tiny pieces that seem to disappear |
10. Chemical change | a change in which one or more new types of matter form |
11. Chemical property | the ability of a substance to react with other substances in a certain way, such as by burning or rusting |