Front

What is a glacier?

Back

A sheet of ice that moves slowly over land.

Front

What is the function of the hydrosphere?

Back

It sustains various life forms and plays an important role in ecosystems and regulating heat on Earth.

Front

What percentage of Earth's water is freshwater?

Back

3% freshwater, 97% salt water.

Front

Where is most of Earth's water found?

Back

In salty oceans.

Front

Where is most of the freshwater on Earth located?

Back

In glaciers and ice caps.

Front

What is the hydrosphere?

Back

The combined mass of water found on, under, and above the surface of a planet.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What is evaporation?

Back

The process by which water changes from a liquid to a gas.

Front

What is condensation?

Back

The process by which water vapor cools and changes back into liquid water.

Front

What is precipitation?

Back

Any form of water that falls from the atmosphere to the Earth's surface, such as rain, snow, sleet, or hail.