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ScienceQuiz 2
Term | Definition |
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tributary | The streams and small rivers that feed into a main river. |
watershed | The land area that supplies water to a river system. |
divide | One watershed is separated from another by a ridge of land |
reservoir | A lake that stores water for human resource |
nutrients | are substances such as nitrogen and phosphorus that enable plants and algae to grow |
eutrophication | The nutrients that build up in a lake over many years |
wetland | is a land area that is covered with a shallow layer of water during some or all of the year |
permeable | Materials that have large and connected pores allowing water to pass through |
impermeable | Materials that water cannot pass through easily |
saturated zone | The area of permeable rock or soil that is totally filled, or saturated with water |
water table | the top of a saturated zone |
unsaturated zone | the layer of rocks and soil above the water table |
aquifer | Any underground layer of permeable rock or sediment that holds water |
artesian well | a well where water rises because of pressure within an aquifer. |