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science module 5
| Term | Definition |
|---|---|
| hydrosphere | the sum of all water on a planet |
| hydrologic cycle | the process by which water is continuously exchanged between earths narrow water sources |
| transpiration | evaporation of water from plants |
| condensation | the process by which a gas turns into liquid |
| precipitation | water falling from the atmosphere in rain, sleet or hail |
| distillation | evaporation and condensation of a mixture to separate out the mixtures individual components |
| residence time | the average time a given particle will stay in a given system |
| salinity | a measure of the mass of dissolved salt in a given mass of water |
| firn | a dense, icy pack of old snow |
| water table | the line between the water saturated soil and the soil that is not saturated with water |
| percolation | the process by which water moves downward in a soil, toward the water table |
| adiabatic cooling | the cooling of a gas that happens when the gas expands with no way of getting more energy |
| cloud condensation nuclei | small airborne particles upon which water vapor condenses to form clouds |