Watersheds

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What is a watershed?

Back

A watershed is an area of land where all the water that falls as precipitation drains into a common outlet, such as a river, lake, or ocean.

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What is condensation?

Back

Condensation is the process by which water vapor in the air cools and changes back into liquid water, forming droplets.

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What is evaporation?

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Evaporation is the process by which liquid water is transformed into water vapor, usually due to heat.

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What is surface water?

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Surface water refers to all bodies of fresh water, salt water, ice, and snow that are found above ground.

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What does permeable mean?

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Permeable means that a material allows water to pass through it easily.

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What does impermeable mean?

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Impermeable means that a material does not allow water to pass through it.

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What are clouds?

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Clouds are formed during the condensation process when water vapor cools and condenses into tiny water droplets or ice crystals.

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What is runoff?

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Runoff is the water that flows over the ground surface and returns to bodies of water after precipitation.

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What is groundwater?

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Groundwater is water that is stored beneath the Earth's surface in soil and rock layers.

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What is precipitation?

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Precipitation is any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.