Where's Earth's Water?

Front

What happens to water vapor when it cools down?

Back

It condenses and changes back into liquid.

Front

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

Back

71%.

Front

What is the process called when water changes from liquid to gas?

Back

Evaporation.

Front

Which watershed is the largest in the United States?

Back

Mississippi River Watershed.

Front

What is the term for the boundary around a watershed?

Back

Divide.

Front

What is condensation?

Back

The process where water vapor cools and changes 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.

Front

What is runoff?

Back

Water that flows over the ground surface and returns to bodies of water.

Front

What is the water cycle?

Back

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

Front

What is transpiration?

Back

The process by which water is absorbed by plants and then released as vapor into the atmosphere.