The Sun and Gravity in the Hydrologic/ Water Cycle

What role does the Sun play in the water cycle?

• The Sun controls the water flow in rivers

• The Sun causes precipitation directly

• The Sun creates clouds in the atmosphere

• The Sun provides energy for evaporation of water.

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How does gravity influence the movement of water in the water cycle?

• Gravity causes water to flow downhill and pulls water vapor down as precipitation.

• Gravity causes water to move sideways in the water cycle.

• Gravity pushes water vapor up into the atmosphere.

• Gravity has no impact on the movement of water in the water cycle.

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NGSS.MS-ESS2-4

Explain the process of evaporation in the water cycle.

• Evaporation occurs when water freezes into ice

• Water evaporates from the ground due to excessive heat

• The process of evaporation involves water turning into solid form

• Water evaporates from bodies of water like oceans, lakes, and rivers, as well as from moist soil and plants. The water vapor rises into the atmosphere, where it cools and condenses to form clouds.

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Describe how condensation occurs in the water cycle.

• Water vapor in the air heats up and changes to solid state, forming clouds or dew.

• Water vapor in the air cools down and changes to liquid state, forming clouds or dew.

• Condensation occurs when water evaporates into the air.

• Condensation is caused by the Earth's rotation.

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NGSS.MS-ESS2-4

What is precipitation in the context of the water cycle?

• Water vapor in the atmosphere condensing into liquid or solid water and falling back to the Earth's surface.

• Precipitation is the process of water evaporating from the Earth's surface into the atmosphere.

• Precipitation is the term used for the water cycle process of water flowing in rivers and streams.

• Precipitation refers to the movement of water through the soil layers.

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How does the Sun's energy impact the water cycle?

• The Sun's energy leads to volcanic eruptions in the water cycle.

• The Sun's energy drives evaporation, condensation, and precipitation in the water cycle.

• The Sun's energy creates hurricanes in the water cycle.

• The Sun's energy causes earthquakes in the water cycle.

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NGSS.MS-ESS2-4

Discuss the importance of gravity in maintaining the water cycle.

• Gravity has no impact on the water cycle

• Water cycle is solely driven by wind

• Gravity helps in the movement of water through the water cycle by pulling water downwards, causing precipitation, and allowing water to flow downhill through rivers and streams back to the oceans.

• Water cycle is maintained by human intervention

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NGSS.MS-ESS2-4

Explain the concept of runoff in the water cycle.

• Runoff is the movement of water from land to bodies of water.

• Runoff is the process of water seeping into the ground.

• Runoff is the condensation of water vapor into clouds.

• Runoff is the movement of water from oceans to land.

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NGSS.MS-ESS2-4

What role do clouds play in the water cycle?

• Clouds absorb water vapor from the ground

• Clouds prevent water from evaporating

• Clouds store and transport water vapor, aiding in condensation and precipitation.

• Clouds create water vapor through photosynthesis

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NGSS.MS-ESS2-4

How does the water cycle contribute to the overall balance of Earth's ecosystems?

• The water cycle ensures the availability of water resources and helps in regulating various environmental factors, supporting the diverse life forms on Earth.

• The water cycle depletes water resources and disrupts the balance of Earth's ecosystems.

• The water cycle has no impact on the balance of Earth's ecosystems.

• The water cycle only benefits a few select species in Earth's ecosystems.

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