Water Systems

2. an elevated land that drains water ontop of it into a close body of water
7. small microorganisms that can be good or bad
12. a layer of gases that surround the earth
13. making water suitable to drink by removing all germs, bacteria and chemicals
14. the cycle of water
15. make water unsafe to drink and can contain harmful chemicalsf
18. large changes in a climates normal tempatures
19. a body of underground rock that holds groundwater
21. a layer of snow that covers a large area and is heavily compressed
22. the climate or tempature that changes daily
25. uses microorganisms to break down the bad parts in water and soil
27. a chemical that is used to keep water clean

1. a microscopic organism
3. a word that in science often means replacing water
4. how much salt is in water
5. finding a way to make sure that there are enough resources for the future
6. a man made way to provide plants, agraculture and crops with water
8. removing salt from water in order to be able to drink it
9. the amount of heat an abject can store and release
10. snow, rock and sedimaent compressed together
11. a large body of water between different land masses
16. something that keeps waste water contained underground
17. water that is found underground
20. a table of water that is located underground
23. a flooded area of land that can sustain lives of many animals and insects
24. a body of water that flows and will often connect to a larger body of water
26. a way of collecting water from the ground