Crossword Puzzle Levels 1&2
Beneficial Uses of Dredged Material

Across
1. Sediment dredged from a waterway.
2. The area on land or in water within which disposal of dredged material occurs.
3. An area that is covered or wetted by surface or groundwater often enough that only plants that live in wet soil live there. Examples include swamps, marshes, and bogs.
4. The specific area or environment in which a particular plant or animal lives that provides all the basic requirements for the maintenance of life.
5. A machine that scoops or suctions sediments from under the water.
6. Placement of sand onto a shore to control or prevent erosion.

Down
1. Underwater excavation of sediment.
2. The practice of recycling dredged material for positive applications.
3. A dike used for flood protection.
4. Earthen walls constructed to contain water or dredged material. Commonly constructed as flood protection.
5. Establishing and managing relatively permanent and biologically productive plant and animal habitats.
6. A chemical or biological substance in the water or sediment that can harm aquatic organisms, consumers of aquatic organisms, or users of the aquatic environment.
7. Material that falls to the bottom of a liquid.
8. The washing away of land and soil by the action of wind and water.
9. The ground above the floodplain that is not covered by water.