AP Environmental Science Unit 4.4-4.6

Front

What is the largest watershed in the United States?

Back

The Mississippi River Watershed.

Front

Where does all water eventually empty into?

Back

An ocean.

Front

What is the term for the mixture of gases that surrounds the Earth?

Back

Atmosphere.

Front

What causes local winds?

Back

Unequal heating of Earth's surface within a small area.

Front

What are smaller streams that join together to make a larger river called?

Back

Tributaries.

Front

Define 'watershed'.

Back

An area of land that drains into a particular water body.

Front

What is the role of the atmosphere in Earth's climate?

Back

It regulates temperature and weather patterns.

Front

What is the difference between a river and a stream?

Back

A river is larger and flows into a larger body of water, while a stream is smaller and may flow into a river.

Front

What is groundwater?

Back

Water that is stored underground in aquifers.

Front

What is the significance of the water cycle?

Back

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