Water Cycle

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Condensation

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When a gas such as water vapor loses heat energy and physically changes its state to a liquid.

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Evaporation

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A process where a liquid turns into a gas when the liquid has been warmed up.

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Water Cycle

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The continuous process in which water changes states as it moves from Earth's surface as a liquid to a gas (evaporation), to the atmosphere as a gas to a liquid (condensation), and collects back in bodies of water as a liquid or solid to a liquid again (precipitation).

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Precipitation

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A process in the water cycle where water falls back to Earth's surface as either rain, snow, sleet, or hail depending on the temperature.

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Ocean

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Body of saltwater that 97% of our planet's water comes from and covers about 70% of Earth's surface.

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Runoff

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The movement of water over Earth's surface as a result of precipitation into nearby bodies of water.

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Collection

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Locations where water through the water cycle builds up into big bodies of water and is stored there until it is evaporated and returned through processes such as precipitation and runoff.

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Water Vapor

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Water when it has changed its phase to a gaseous state through the process of evaporation or boiling.

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Clouds

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Floating masses in the sky made of condensed water vapor that the atmosphere has cooled down into water droplets or ice crystals.

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Rain

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A form of precipitation where water falls back to Earth in its liquid state.