Exploring the Water Cycle Processes

The video explains Earth's water cycle, highlighting its ancient nature and continuous flow. It covers the cycle's components, including precipitation, collection, infiltration, percolation, evaporation, and transpiration. The video emphasizes the importance of the water cycle in sustaining life on Earth and the complexity of its processes, which are studied by scientists worldwide.

What is the primary reason Earth supports life?

• Abundance of sunlight

• Perfect water cycle

• Presence of mountains

• Rich soil content

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Which percentage of Earth's water is stored in oceans?

• 70%

• 50%

• 60%

• 80%

What percentage of fresh water is stored in ice sheets and glaciers?

• 33%

• 25%

• 75%

• 66%

Where does most of the precipitation that falls on land end up?

• In underground aquifers

• Evaporates back into the atmosphere

• In rivers and lakes

• Absorbed by plants

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What happens to precipitation that falls on vegetation?

• It flows directly into rivers

• It turns into vapor

• It is intercepted by leaves

• It evaporates immediately

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How does water percolate through the soil?

• It stays on the surface

• It forms streams

• It evaporates

• It moves through soil particles

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How long can water stay in deep underground aquifers?

• Thousands to millions of years

• A few years

• Hundreds of years

• Decades

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What is the main driver of water turning into vapor in the water cycle?

• Ocean currents

• Plant roots

• Sun's heat

• Wind

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What is the term used to describe the combined process of evaporation and transpiration from plants?

• Deposition

• Sublimation

• Evapotranspiration

• Condensation

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What causes water droplets in clouds to fall back to Earth as precipitation?

• They freeze completely

• They evaporate

• They shrink and dissipate

• They collide and grow heavier

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