Across
- 4. a water molecule is an example of this
- 5. water that is more basic than fresh
- 6. groundwater storage
- 7. an oxygen atom has a _______ charge in H2O
- 8. water that is a ph level less than 7
- 12. water turns into a gas
- 13. water drops on a mirror
Down
- 1. water ________ when it freezes
- 2. in pool water to keep it clean
- 3. water that is a higher ph level than 7
- 4. rain and snow are examples of ______
- 5. when hardness is tested as blue in means it is ______
- 9. a hydrogen atom has a _______ charge in H2O
- 10. water is more _________ than other liquids
- 11. create rust