Across
- 6. when a continent divides
- 7. a range of different things
- 10. drinkable water
- 12. water with a high level of minerals
- 15. the process of purifying water through the use of heat or by cooling the water
- 16. slowly changing the way something looks by long exposure to air
- 17. matter that settles at the bottom of water
- 19. a cicular motion in water particles
Down
- 1. that is ok for humans to use (not seawater)
- 2. the act of deposing something
- 3. how much salt water has
- 4. draining water from something
- 5. collision with rocks causing weathering is called
- 6. the weather conditions in a certain area
- 8. the process of eroding something by water,wind or other natural things
- 9. the condition and state of water
- 11. sea water going up and down alternatly
- 13. sea water
- 14. flowing water
- 18. a device that that is used for observing, checking and keeping check of things