Across
- 4. The first country to use chlorine.
- 6. The first stage of the Water Treatment System.
- 8. Water moving downward through openings in the soil.
- 11. Water vapor becoming a liquid or a solid.
- 12. There is only one of these atoms in a water molecule.
- 13. This is the percent of water on earth that is in glaciers
- 14. The percent of the earth's surface that has water.
- 15. This is the percent of water on earth that is fresh water.
Down
- 1. rain, snow, sleet, or hail
- 2. This is the percent of water that is in an apple.
- 3. Water under the ground that supplies springs and wells.
- 5. Liquid water becoming a gas.
- 7. The amount of molecules in a single drop of water.
- 9. What the earth would look like without water.
- 10. This is the degrees Celsius in which water freezes.