water cycle

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What is the water cycle?

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The water cycle, also known as the hydrologic cycle, is the continuous movement of water on, above, and below the surface of the Earth.

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NGSS.MS-ESS2-4

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What is evaporation?

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Evaporation is the process by which liquid water is heated and changes into water vapor (gas).

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What is condensation?

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Condensation is the process where water vapor cools and changes back into liquid water, forming clouds.

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NGSS.MS-ESS2-4

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What is precipitation?

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

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What is run-off?

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Run-off is the water that flows over the ground surface and returns to rivers, lakes, and oceans after precipitation.

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NGSS.MS-ESS2-4

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What is collection in the water cycle?

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Collection is the process where precipitation gathers in bodies of water like lakes, rivers, and oceans.

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NGSS.MS-ESS2-4

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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 transporting water vapor and eventually releasing precipitation.

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NGSS.MS-ESS2-4

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What is the difference between evaporation and transpiration?

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Evaporation is the process of water turning into vapor from surfaces like lakes, while transpiration is the release of water vapor from plants.

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What is the significance of the sun in the water cycle?

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The sun provides the energy needed for evaporation, driving the entire water cycle.

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NGSS.MS-ESS2-4

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What is groundwater?

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Groundwater is water that seeps into the ground and fills the spaces in soil and rock, contributing to the water cycle.

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NGSS.MS-ESS2-4

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