Across
- 2. water percent in glacier
- 4. discovered chlorine kills germs
- 6. blood is water
- 8. water vaper that turns into liquid or a solid
- 11. liquid turning into a gas
- 12. water moving downward
- 14. First people to record water treatments
- 15. percent of fresh water
Down
- 1. clean water
- 3. water source in ground
- 5. salt water
- 7. water in the ground
- 9. water molecules in a single drop
- 10. earth without water
- 13. water in apples