The Water Cycle, Water Distribution, and Properties of Water

What is the water cycle?

• the 3 forms of water
• the movement of water on, above, or below the surface of the Earth
• when water melts
• when clouds form

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NGSS.MS-ESS2-4

What is the energy source for the water cycle?

• the sun
• the earth
• water
• the moon

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NGSS.MS-ESS2-4

What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation

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NGSS.MS-ESS2-4

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What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation

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NGSS.MS-ESS2-4

What is precipitation?

• The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air.
• The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds.
• The part of the water cycle when clouds get heavy and can no longer hold the liquid water. This causes the water to fall from the sky to the earth as rain, snow, sleet, or hail.

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NGSS.MS-ESS2-4

Does evaporation happen before or after condensation?

• before
• after
• during

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NGSS.MS-ESS2-4

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NGSS.MS-ESS2-1

Does precipitation happen before or after condensation?

• before
• after
• during

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NGSS.MS-ESS2-4

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

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NGSS.MS-ESS2-4

Which source of freshwater is not easily available for human use?

• oceans
• freshwater lakes
• rivers
• icecaps/glaciers

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NGSS.MS-ESS3-1

Which BEST describes how the total amount of water present in the hydrosphere varies over time?

• The total amount of water in the hydrosphere decreases over time due to the process of evaporation.
• The total amount of water in the hydrosphere remains the same over time, but changes form due to the water cycle.
• The total amount of water in the hydrosphere increases over time due to the process of precipitation.
• The total amount of water in the hydrosphere both decreases and increases over time due to competing processes such as evaporation and precipitation.

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NGSS.MS-ESS2-4