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Vocab 3.1
Science vocab for unit 3.1
Term | Definition |
---|---|
evaporation | process whereby the heat of the sun changes water on Earth's surface from a liquid to a gas. |
condensation | return of water vapor to a liquid state of cooling. |
precipitation | liquid or solid water that falls from clouds to Earth. |
transpiration | 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 | place where river or stream begins |
mouth | place where a stream or river ends by flowing into another body of water. |
velocity | distance water flows during period of time such as meter per second and feet per second. |
bed load | sediment carried along the bottom of the channel of a stream or river. |
tributaries | feeder streams |
topography | physical characteristics of the land |
gradient | slope of a river channel. |