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Water and atmosphere
Weather topic 1 lesson 2
| Term | Definition |
|---|---|
| Water cycle | The natural cycle of evaporation of water and subsequent condensation and precipitation as rain and snow |
| Evaporation | The process of extracting moisture |
| Condensation | The process or result of becoming smaller or pressed together |
| Dew point | The temperature at which the water vapor in the air becomes saturated and condensation begins |
| Humidity | Wetness in the atmosphere |
| Relative humidity | The ratio of the amount of water in the air at a given temperature to the maximum amount it could hold at that temperature expressed as a percentage |
| Precipitation | The falling to earth of any form of water rain, snow, hail, sleet or mist |