The Water Cycle

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What is the water cycle?

Back

The water cycle is the continuous process by which water moves from the Earth's surface to the atmosphere and back again through evaporation, condensation, precipitation, and runoff.

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What is evaporation?

Back

Evaporation is the process by which water changes from a liquid to a gas, usually due to heat.

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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 clouds.

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What is precipitation?

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Precipitation is any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface.

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What is runoff?

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Runoff is the flow of water that occurs when excess water from rain, melting snow, or other sources flows over the ground and returns to bodies of water like rivers and oceans.

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How does water leave the ocean?

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Water leaves the ocean primarily through evaporation.

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What role do clouds play in the water cycle?

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Clouds are formed by condensation and are essential for precipitation, returning water to the Earth's surface.

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What happens to rainwater after it falls?

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After rainwater falls, it can either be absorbed by the ground, flow into rivers and lakes, or evaporate back into the atmosphere.

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What is the difference between weather and climate?

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Weather refers to short-term atmospheric conditions, while climate refers to the long-term average of weather patterns in a specific area.

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What is the importance of the water cycle?

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The water cycle is crucial for maintaining the Earth's ecosystems, providing fresh water for plants, animals, and humans.