Watersheds and Water Usage Concepts

What is a watershed?

• A geographical area where all the water runoff drains into a specific lake, river, or stream

• A high elevation that separates one watershed from another

• The main body of water into which runoff drains

• A large drainage basin

Which of the following is NOT a use of water in the United States?

• Cooling power plants

• Irrigation

• Public use

• Space exploration

What separates one watershed from another?

• A waterway

• A divide

• An aquifer

• A drainage basin

The Mississippi River drainage basin includes which of the following watersheds?

• Missouri, Upper Mississippi, Ohio, Tennessee, Arkansas-Red-White, and Lower Mississippi

• Colorado, Columbia, Rio Grande, and Hudson

• Amazon, Nile, Yangtze, and Ganges

• Thames, Seine, Danube, and Rhine

An aquifer is also known as a ______ reservoir.

What percentage of water is used for agriculture worldwide?

• 69%

• 23%

• 8%

• 49%

Surface water flows downhill into a common exit such as another river, stream, lake, or ______.