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MIDDLE SCHOOL

Earth and Space Science

Earth and Human Activity

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Earth and Human Activity: Earth’s Water Systems

Streams and Rivers - I

Description

Streams and Rivers - I

A stream is a flowing freshwater that moves downhill through a natural channel with a bed and banks. Streams can be small or grow into large rivers. Each one begins at a source, like a spring or melting snow in the mountains. Gravity pulls the water downhill, carving valle...

Transcript

A stream is a body of flowing freshwater that moves downhill in a channel. The channel has a bottom or bed and sides called banks.

Streams can vary in size; they may be small or large. When they grow large enough, we often refer to them as rivers.

Every stream or river has a beginning, called the source or headwaters. This source can...

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