Front

What is the process called when water vapor turns into a liquid?

Back

Condensation

Front

At which point does precipitation occur?

Back

Point C

Front

What percentage of Earth's fresh water is frozen?

Back

There is more than twice as much frozen water as underground water.

Front

What percentage of Earth's surface is covered by ocean water?

Back

Ocean water covers about 71 percent of Earth's surface.

Front

What must happen for evaporation to occur?

Back

Water must gain energy to change from a liquid to a gas.

Front

What is evaporation?

Back

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

Front

What is precipitation?

Back

Any form of water, liquid or solid, that falls from clouds and reaches the ground.

Front

What is the water cycle?

Back

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

Front

What is groundwater?

Back

Water that is found underground in aquifers.

Front

What is an aquifer?

Back

A geological formation that can store and transmit water.