Earth's Water

Evaporation is the changing of liquid water into vapor.

• True

• False

What drives the Earth's water cycle

• Water

• The Sun

• Oceans

The total amount of water in the hydrosphere generally

• decreases

• increases

• stay the same

Condensation is the changing of water vapor into liquid water.

• True

• False

About 97% of world's water is found in

• lakes

• rivers

• oceans

Turning ocean water into freshwater by removing the salt in a process known as

• desalination

• precipitation

• condensation

Only about 3% of the Earth's total water supply is freshwater.

• True

• False

________ , freshwater that lies beneath the Earth's surface.

• Groundwater

• Lakes

• Rivers

An underwater porous rock layer often saturated by very slow flows of water is called aquifer

• True

• False

When clouds gather more water than they can hold, they release moisture, which falls to the Earth as

• Evaporation

• Condensation

• Precipitation