Across
- 6. Water moving downward in opening of soil.
- 7. What was the first country to use chlorine to kill germs in water.
- 9. What percent of our blood is water?
- 11. What percent of our body is water?
- 12. Rain,snow,sleet or hail.
- 13. What would the Earth look like without water.
- 15. Water as a gas in the air.
Down
- 1. What degrees celsius does water boil at?
- 2. A water source under the ground.
- 3. How many molecules are in a drop of water?
- 4. The last step in the water treatment system.
- 5. What percent of an apple is water?
- 8. Was the first group to treat water.
- 10. Liquid water becoming a gas.
- 14. What degrees celsius does water freeze?