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The Water Cycle
| Term | Definition |
|---|---|
| Water Cycle | the continuous movement of water on, above, and below the surface of the Earth |
| Water Storage | the holding of water in natural or artificial containment areas for later use |
| Evaporation | the physical process where a liquid turns into a gas or vapor at temperatures below its boiling point |
| Sublimation | a scientific process where a solid turns directly into a gas without first becoming a liquid |
| Transpiration | the process where plants absorb water through their roots and release it as water vapor through tiny pores in their leaves called stomata |
| Atmosphere Water Storage | a temporary reservoir in the water cycle where moisture is held as invisible water vapor, droplets, or ice crystals before falling back to Earth as precipitation. |
| Condensation | the process where a gas or vapor turns back into a liquid |
| Precipitation | any form of water that falls from the atmosphere and reaches the ground |
| Runoff | the portion of rain, snowmelt, or irrigation water that flows over the land surface instead of soaking into the soil |
| Infiltration | the process where precipitation or surface water soaks into the ground and enters the soil |
| Groundwater | the water found underground in the cracks, pores, and spaces between soil, sand, and rock layers |
| Aquifer | an underground layer of water-bearing rock, sand, gravel, or silt that stores and yields groundwater |
| Watershed | an area of land where all rain and melted snow drain downhill into a shared body of water |