The Hydrosphere

The video explores Earth's hydrosphere, which includes all water on the planet. It covers the hydrosphere's extent, making up 70% of Earth, and its importance in sustaining life. The water cycle is explained, highlighting how water is recycled through evaporation, condensation, and precipitation. The video also categorizes water into fresh water, salt water, ice, and water vapor, detailing their characteristics and roles. Finally, it discusses water vapor's presence in the air and its relation to humidity, emphasizing the hydrosphere's unique ability to recycle and store water.

What percentage of Earth's surface is covered by the hydrosphere?

• 80%

• 50%

• 60%

• 70%

Which process in the water cycle involves water vapor rising into the atmosphere?

• Condensation

• Evaporation

• Infiltration

• Precipitation

What type of water is found in Earth's oceans and seas?

• Ice

• Salt water

• Fresh water

• Water vapor

Which form of water is always in a gaseous state?

• Ice

• Salt water

• Fresh water

• Water vapor

What is the primary source of fresh water for human consumption?

• Oceans

• Glaciers

• Water vapor

• Rivers and lakes