Hydrosphere

Front

Aquifers store ____ water.

Back

ground

Front

How much of Earth's water is unavailable for humans to consume due to its high salinity?

Back

97%

Front

Why is freshwater very important?

Back

We need it to survive.

Front

What does the term hydrologic cycle mean?

Back

the constant movement of water from Earth’s surface to the atmosphere and back to Earth’s surface.

Front

The type of water found in oceans; it is not safe for us to drink.

Back

Salt water

Front

What is the definition of the hydrosphere?

Back

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

Front

What percentage of Earth's water is freshwater?

Back

3%

Front

What is the main source of freshwater for human use?

Back

Rivers, lakes, and aquifers.

Front

What is evaporation in the hydrologic cycle?

Back

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

Front

What is condensation in the hydrologic cycle?

Back

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