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AMS SOL 6.7 and 6.9
| Term | Definition |
|---|---|
| tributary | a stream or river that supplies water to a larger body of water |
| River system | the main river and its tributaries |
| watershed | the land area that supplies water to a river |
| divide | a ridge of land that seperates the direction that water flows |
| Continental Divide | Rocky Mountains |
| estuary | a partially enclosed body of water where fresh water mixes with salty ocean water |
| brackish | a mixture of salt and fresh water |
| salinity | the amount of salt in the water |
| wetland | a habitat that is covered in water most of the time |
| swamp | type of wetland with tall twisted trees |
| marsh | type of wetland with reeds and grasses |
| bog | type of wetland with thick peat |
| habitat | the place where a plant or animal lives |
| largest watershed in USA | Mississippi River |
| largest estuary in USA | Chesapeake Bay |
| point source pollution | comes from a particular location such as a factory or pipe |
| nonpoint source pollution | comes from mulitple sources like farms and roads |
| dangers to wetlands and estuaries | pollution and construction |
| Virginia rivers that lead to the Chesapeake Bay | Potomac, Rappahannock, York, James |
| Where do rivers in the western part of Virginia lead? | to the Ohio River which connects to the Mississippi river |
| Virginia Rivers that lead to the Albemarle Sound | Roanoke and Chowan |
| Watersheds on the Eastern Shore of Virginia | Chesapeake Bay and Atlantic Ocean |
| types of estuaries | bay, lagoon, harbor, sound, inlet |
| jobs of estuaries | recreation, habitat for aquatic organisms, source of food, nursery for young animals |
| jobs of wetlands | filter water, protect land from flooding, habitat for birds |
| nutrient pollution | causes algae to grow which blocks sunlight and lowers oxygen levels under water so organisms die |
| examples of point source pollution | oil spills, sewage dumped into a river |
| examples of nonpoint source pollution | runoff from farms and streets, erosion |
| river | fresh water that begins in the mountains, flows downhill, and ends in the ocean |
| natural resource | anything naturally occurring in the environment that humans use |
| conservation | the practice of using less of a resource so it can last longer |
| sustainable | can be harvested regularly without reducing the future supply |
| recycling | the process of reclaiming and reusing raw materials |
| biodegradable | capable of being broken down by bacteria and other decomposers |
Created by:
sford
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