Across
- 4. This happens when water vapor rises in the air and cools down to form clouds.
- 5. One type of precipitation.
- 6. The process in which water is recycled.
- 8. Water that has no salt in it.
- 9. The opposite of condensation.
- 11. An invisible gas in the air.
- 12. A process in which soil and rocks are carried away by flowing water.
- 14. An invisible line that divides the planet into two poles.
Down
- 1. This is formed when raindrops combine with pollution in the air.
- 2. Materials that allow water to seep into them, like soil.
- 3. Giant rivers in the ocean.
- 7. Water that soaks down through the soil.
- 10. Materials that do not have spaces to allow water to seep into them.
- 13. A large piece of ice floating in water.