Across
- 4. a very tiny organism
- 8. elevated piece of land that drains water
- 9. place underground after the soil
- 10. small microorganisms, good or bad
- 12. a chemical used to keep water clean
- 16. typically flooded areas of land
- 17. humanmade way to supply water to plants
- 18. flowing body of water that drains
- 19. replacing water
- 22. holds waste water under the ground
- 23. a method of obtaining water from ground
- 24. how we use resources so enough in future
- 25. heavy, thick layer of compressed snow
Down
- 1. large body of water between land masses
- 2. technique to clean water
- 3. Removing salt from salt water, to drink
- 5. water found beneath earth's surface
- 6. removes chemicals etc, to drink
- 7. how much heat an object can store/release
- 11. Underground rock that holds groundwater
- 12. Making water undrinkable/not safe
- 13. compressed mass of snow, rock, sediment
- 14. a place's various temperatures
- 15. A layer of gases that surround the earth
- 16. water being recycled
- 20. a big change in climates and weather
- 21. the amount of salt in water