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Sci7-Water - Cycle
Sci7-Unit2-Water Properties & Cycle
Term | Definition |
---|---|
Chemical formula of water | H2O |
polar molecule | a molecule that has two poles, one is slightly negative and the other is slightly positive |
polarity | a property of being polar, having two opposite poles |
cohesion | the sticking together of particles of the same substance. |
adhesion | the sticking together of particles of different substances. |
specific heat | the energy needed to heat a substance by one degree Celsius. |
solvent | a liquid that dissolves substances |
water cycle | the movement of water through the Earth system |
sublimation | when a substance changes from a solid to a gas |
deposition | when a substance changes from a gas to a solid |
condensation | when a substance changes from a gas to a liquid |
evaporation | when a substance changes from a liquid to a gas |
freezing | when a substance changes from a liquid to a solid |
melting | when a substance changes from a solid to a liquid |
transporation | the release of water vapor into the air by plants |
precipitation | any form of water that falls to Earth from clouds |
runoff | any water that flows downhill because of gravity |
infiltration | the process of water seeping into the ground |