Watersheds and Wetlands

1. A wetland consisting mostly of trees and shrubs
6. Wetlands ______ loose sediment and trap excess nutrients before it enters the water.
8. Wetlands can help prevent _____ because they absorb water like a sponge.
11. In an ecosystem, water, rocks, and sediment are all ____ factors.
12. A wetland found in northern states that is acidic. Some grow cranberries and huckleberries.
13. Factories can cause ______ pollution by using water in nature to cool down their machines and returning the water back to the source.
15. The largest and most significant watershed for Virginia
16. Trash in a park is an example of _____ source pollution.
17. In an ecosystem, birds, flowers, and plants are all _____ factors.
18. Wetlands provide ______ for a variety of plants and animals.
22. Areas located ________ will have access to cleaner river water.
23. The Chesapeake Bay flows leads to the ____ Ocean.

2. Water that is warmer has less dissolved oxygen.
3. Wetlands can reduce water ____ because it can absorb runoff.
4. Good water quality has high levels of ______.
5. Smoke from a factory smokestack is an example of _____ source pollution.
7. A smaller river or stream that leads into a larger river or stream.
9. The _________ River watershed is the largest river watershed in Virginia.
10. There are ____ states that are part of the Chesapeake Bay watershed.
14. Good water quality has a _______ pH level of 7.
19. At higher elevations, where rivers begin, is referred to as the _____.
20. A wetland consisting mostly of tall grasses.
21. A transitional area between land and water that is covered with a shallow layer of water.