Water Cycle

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What is the water cycle?

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

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NGSS.MS-ESS2-4

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What is evaporation?

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Evaporation is the process where liquid water is heated by the sun and turns into water vapor, rising into the atmosphere.

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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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What is precipitation?

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Precipitation is any form of water that falls from the sky, including rain, snow, sleet, and hail.

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NGSS.MS-ESS2-4

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What factors influence precipitation?

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Temperature, humidity, and atmospheric pressure influence the type and amount of precipitation.

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NGSS.MS-ESS2-4

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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.

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NGSS.MS-ESS2-4

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What is the role of temperature in the water cycle?

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Temperature affects the state of water; it determines whether water will evaporate, condense, or fall as precipitation.

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

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What is transpiration?

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Transpiration is the process by which plants release water vapor into the atmosphere from their leaves.

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What is the difference between rain and snow?

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Rain is liquid water droplets that fall when temperatures are warm, while snow is frozen water crystals that fall when temperatures are cold.

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NGSS.MS-ESS2-4

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What is the significance of the water cycle?

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The water cycle is essential for maintaining ecosystems, providing fresh water, and regulating climate.

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