Across
- 4. Harmful matter that makes water soil or air dirty.
- 5. The gas form of water.
- 6. To wear away.
- 7. To change from a gas to liquid.
- 9. A flowing stream of water within a larger body of water.
Down
- 1. A giant ice sheet that slowly moves out in all direction.
- 2. An imaginary line around earth halfway between the North and South poles.
- 3. To change from a liquid to gas.
- 8. Bits of soil, sand, and rock that are picked up by rivers and dumped into the ocean.