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Water on Earth
Water cycle and more
Term | Definition |
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groundwater | water that fills the cracks and spaces in underground soil and rock layers |
water cycle | The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation |
transpiration | Evaporation of water from the leaves of a plant |
precipitation | Any form of water that falls from clouds and reaches Earth's surface. |
tributary | A stream or river that flows into a larger river |
watershed | An ecosystem where all water runoff drains into a single body of water |
river basin | The area of land drained by a river and its branches. |
reservoir | A lake that stores water for human use. |
aquifer | An underground formation that contains groundwater |
permeable | penetrable; porous; allowing liquids or gas to pass through |
impermeable | Impassable, not allowing passage through (such as by a liquid) |
potable | suitable for drinking |
headwaters | The source of a river |
mouth of a river | the place where a river empties into a larger body of water |
flood plain | the flat, wide area of land along a river |