Across
- 4. A large, flowing body of water is called a
- 9. To dirty or pollute is to
- 10. A large body of salt water is called a(n)
- 11. Layers of rock or soil that allow water to flow through are called...
- 12. A barrier built across a river is a
Down
- 1. Water from a flowing river may build up behind a dam to form a(n)
- 2. What do we call the area of land that drains into a specific river?
- 3. Water that falls from the air to the ground as rain, snow, or sleet is
- 5. A sheet of ice that moves slowly over land is a(n)
- 6. When water vapor changes to liquid water, it
- 7. A medium-sized body of fresh water surrounded by land is a(n)
- 8. Water that travels across land my pick up substances and become