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Water
water vocabulary
| Term | Definition |
|---|---|
| polar molecule | a molecule with slightly positive and negative ends |
| cohesion | the attraction of one molecule for another |
| surface tension | the strong bonds or sticky skin at the surface of water |
| universal solvent | name given towater because so many substances dissolve in water |
| solution | a mixture that forms when one substance dissolves in another |
| solvent | the substance that does the dissolving |
| adhesion | the attraction of water molecules for other polar molecules |
| capillary action | water's adhesion causes it to climb up |
| density | how tightly matter in an object is packed together |
| temperature range | the space between freezing point and boiling point |
| solid, liquid, gas | water commonly occurs in these states |
| specific heat | amount of heat required to increase the temerature of a substance one degree |
| physical weathering | breaking rock into smaller pieces without changing chemical makeup |
| chemical weathering | breaking down rock into smaller pieces thru chemical changes or reactions |
| ice wedging | water freezing in a rock forcing it to crack |