The Water Cycle Journey From Evaporation To Precipitation

The video explains the water cycle, highlighting processes like evaporation, condensation, precipitation, and runoff. It discusses the role of plants in transpiration and the concept of sublimation. The video also covers the distribution of freshwater and the average residence time of water molecules in different parts of the cycle, emphasizing the limited availability of freshwater and its importance to life.

What is the process called when water changes from a liquid to a gas?

• Condensation

• Evaporation

• Precipitation

• Sublimation

What forms when water vapor condenses around tiny dust particles?

• Rain

• Clouds

• Fog

• Snow

What happens when water droplets in clouds become heavy enough?

• They form ice

• They evaporate

• They condense further

• They precipitate

Which of the following is a form of precipitation that remains frozen?

• Snow

• Sleet

• Hail

• Rain

What is the term for water that seeps into the ground and is stored in aquifers?

• Evaporated water

• Runoff

• Groundwater

• Surface water

What percentage of Earth's water is fresh water?

• 2.5%

• 50%

• 10%

• 25%

Where is most of the Earth's fresh water stored?

• Lakes and rivers

• Oceans

• Glaciers and permanent snow cover

• Atmosphere

How long can water molecules remain in glaciers and permafrost?

• Up to 100,000 years

• Up to 10,000 years

• Up to 1,000 years

• Up to 100 years

What is the average time a water molecule spends in the atmosphere?

• One week

• One day

• One year

• One month

What is the process called when ice changes directly into water vapor?

• Sublimation

• Precipitation

• Condensation

• Evaporation