Across
- 4. various tempeturs for a day
- 5. removing chemicals from a product
- 8. they can be good or bad
- 9. removing salt from water so you can drink it
- 11. a region of a planet that is covered in ice
- 15. very small orgasim
- 19. amount of salt water
- 21. a very large body of water
- 22. a change in tempeture and weather
- 23. replacing water
- 24. used to keep water clean
- 25. table
- 26. thinking about a way we use resorces
Down
- 1. flowing body of water
- 2. to turn water to plants
- 3. how much an object canh hold/release
- 4. peice of land that drains water
- 6. water being recycled
- 7. flooded areas of land
- 10. underground rock that holds water
- 12. surronds the earth
- 13. beneath the earths surface
- 14. holds waste water underground
- 16. a slowly moving mass
- 17. not good for drinking
- 18. break down bad parts in water and soil
- 20. obtaining