Water Systems

4. High latitude region of a planet that is covered in ice
6. makes water cleaner to drink
9. a measure of the ease of passage of liquids or gases or specific chemicals through the material
10. water can’t pass through
11. a substance that flows freely but is of constant volume
16. a continuous flow of liquid, air, or gas.
18. Water that has salt in it
19. water located above the earth's surface
20. all the cracks and spaces in soil, sand and rocks that hold groundwater
21. Liquid that has a formula of H2o

1. Water that has no salt in it
2. the process of cleaning something, especially with a chemical, in order to destroy bacteria
3. bad for the environment
5. elevated terrain that separates neighboring drainage basins.
7. energy that is collected from renewable resources that are naturally replenished on a human timescale.
8. an area that is filled with water, localized in a basin, surrounded by land, and set apart from any river
12. water beneath the earth's surface
13. a persistent body of dense ice that is constantly moving under its own weight
14. small localized climate
15. ability of a material to absorb heat
17. a place where water collects.