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Voc from Environment & Ecology for PA. Pages 1-6


Process whereby the heat of the sun changes water on Earth's surface from a liquid to a gas


return of water vapor to a liquid state by cooling


liquid or solid water that falls from clouds to Earth


release of water vapor from plants' leaves into the air


precipitation that runs off the ground


water from rain and melting snow that seeps into the ground and is stored beneath Earth's surface


place where a stream or river begins


place where a stream or river ends by flowing into another body of water


distance water flows during some period of time; m/s or ft/s for units

bed load

sediment carried along the bottom of the channel of a stream or river


feeder streams


physical characteristics of the land


a narrow and shallow incision into topsoil layers, resulting from erosion by overland flow or surface runoff.

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