Watersheds

Click on a box to choose three benefits of wetlands. You must choose all three correct examples.

• Break down pollutants prior to water entering a larger body of water.

• Filter sediments and trapping nutrients

• Increasing erosion in the watershed

• Reducing the amount of biotic factor in the watershed

• Slow flooding waters

Where is water most likely to become contaminated?

• In a forest

• Near a cattle farm

• At the ocean bottom

• By a dam

The Chesapeake Bay is an example of an estuary. Choose 3 of the following statements that are true about estuaries.

• Estuaries are formed when both salt water and fresh water mix.

• The Chesapeake Bay is the largest estuary in the United States.

• Estuaries are formed when both warm water and cold water mix.

• Estuaries serve as a nursery for many different organisms.

• All rivers end in an estuary

What term describes the action of smaller streams and rivers feeding into larger rivers of a watershed?

• Tributaries

• Channels

• Branches

• Aquifers

The high ground between two watersheds is a —

• mountain

• hill

• divide

• tributary

How many tributaries of the Fredrick River are shown in the figure?

• 13

• 1

• 7

• 4

The Rappahannock River watershed, as shown above, is a part of which larger watershed?

• James River watershed

• North Carolina Sounds watershed

• Mississippi River watershed

• Chesapeake Bay watershed

The health of an ecosystem is directly related to —

• water quality

• air quality

• animal life

• biotic factors

The land area that drains a particular set of streams and rivers is called —

• a drainage hectare

• an acre

• a watershed

• a woodland

What is the order of the Virginia rivers that drain to the Chesapeake Bay from North to South?

• Rappahannock, Potomac, James, York

• York, James, Rappahannock, Potomac

• Potomac, Rappahannock, York, James

• James, York, Potomac, Rappahannock