Across
- 3. wet place with spec. plants that clean the water
- 4. the sea is made of this kind of water
- 5. water that can be drunk
- 6. large structure made from piled up snow
- 8. what happens when liquid gets very cold and turns solid
Down
- 1. a large area filled with freshwater
- 2. the opposite of dry
- 3. level that the sea is around the world
- 5. when something is able to stay on top of the water
- 7. water can _____ caves into rock