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3.1 Science Vocab
Term | Definition |
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Evaporation | The process whereby the heat of the sun changes water on Earth's surface from a liquid to a gas |
Condensation | The return of water vapor to a liquid state by cooling |
Precipitation | The liquid or solid water that falls from clouds to Earth |
Transpiration | The release of water vapor from plants leaves into the air |
Runoff | Precipitation that runs off the ground |
Groundwater | Water from rain and melting snow that seeps into the ground and is stored beneath Earth's surface |
Source | The place where a stream or river begins |
Mouth | The place where a stream or river ends by flowing into another body of water |
Velocity | The distance water flows during some period of time, such as meters per second or feet per second |
Bed Load | The sediment carried along the bottom of the channel of a stream or river |
Tributaries | Feeder streams |
Topography | The physical characteristics of the land |
Gradient | The slope of a river channel |