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19 Cards in this Set
- Front
- Back
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Watershed |
Land that water flows a crossed or through on the way to a stream, lake or wetland |
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What are the 3 major Watershed Systems |
Chesapeake Bay, The North Carolina sound, and the Gulf of Mexico |
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Delta |
A fan shaped sediment deposit formed at the mouth of a river |
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Divides |
A ridge that separates 2 watersheds |
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Tributaries |
Streams that flow into a lake or river |
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Flood Plains |
Wide, flat area onto which water spills out at times of high flow |
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Wetlands |
They form the transition zone between dry land and bodies of water such as rivers, lakes, or bays. Wetlands regulate runoff by storing flood waters, reducing erosion, flitering sediments |
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Estuaries |
Area in which fresh and salt water meet and are mixed by the tides |
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Abiotic |
non-living things in the ecosystem; light, wind, water |
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Biotic |
living things in the ecosystem; plants,animals and bacteria |
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What percentage of the earth water is drinkable? |
3 |
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Universal Solvent |
It dissolves more substances than any other liquid |
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Cohension |
Water molecules are attracted to other water molecules |
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Adhension |
Water is attracted to other substances |
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Ecosystem |
The enviorment where living and nonliving things interact |
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Water Quality |
A measurement of the substance in water besides water molecules |
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What do healthy streams have? |
Cover crops, fenced livestock, shady stream banks |
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What do unhealthy streams have |
Toxic drainage, storm water run off from roads, nitrogen from the air |
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What are the major processes for the water cycle |
Evaporation, condensation, precipitation |
