Across
- 1. tank holds waste water underground
- 4. microorganisms that can be good or bad
- 5. a place underground after the soil
- 7. to make water dirty
- 10. a small organism you cant see
- 12. how much heat an object can hold
- 14. how much salt that is in the water
- 15. rocks holding water
- 16. a chemical that you can use to clean water.
- 17. removing any chemicals to be safe to drink
- 18. a way of obtaining water from the ground
- 20. getting salt out of salt water so you can drink it
- 21. water found in the ground
- 23. resources for the future
- 25. large body of water between masses
- 26. cycle water being recycled in a cycle
Down
- 2. ice caps layers of compressed snow
- 3. human made way to produce water to give to plants water
- 5. a land that has been flooded
- 6. fresh flowing water
- 8. layers of gasses that surround earth
- 9. compressed snow,rock or sediment
- 11. changes in our climate temperature.
- 13. replacing water
- 19. a way to clean water
- 22. an elevated part of land that drains its water
- 24. different temperatures