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Lesson 2
Waterforms of Pennsylvania
Term | Definition |
---|---|
tributary | A smaller stream flowing into a larger stream or lake. |
reservoirs | An artificial lake where water is stored and collected for water supply. |
freight | Cargo. |
commerce | The exchange or buying and selling of commodities. |
headwaters | The source of a stream. |
source | The beginning of a stream of water. |
watershed | Geographic area or region into which all the creeks and tributaries flow into a large river. |
mouth | Part of a river where its water empties into another body of water. |
wetlands | Lowland area, such as a marshy or swampy place, that holds moisture. |
hydroelectric power | The force of water falling over a dam used to turn a turbine, or engine, at a power plant which creates electricity. |