Water and Environmental Concepts

Front

Fresh water

Back

Water that is not salty and has little or no taste, color, or smell. It is found in rivers, lakes, and streams.

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Surface water

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Water that collects on the surface of the ground, including rivers, lakes, and reservoirs.

Front

Runoff

Back

Water that flows over the ground surface rather than soaking into the ground.

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River system

Back

A network of rivers and streams that drains an area of its runoff.

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Watershed

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An area of land that separates waters flowing to different rivers, basins, or seas.

Front

Groundwater

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Water held underground in the soil or in pores and crevices in rock.

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Permeable

Back

A material or membrane allowing liquids or gases to pass through it.

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Impermeable

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A material or membrane not allowing fluid to pass through.

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Aquifer

Back

A body of permeable rock that can contain or transmit groundwater.

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Water table

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The level below which the ground is saturated with water.