Across
- 6. What process removes salt from seawater?
- 7. What cycle moves water continuously?
- 9. What measures water acidity?
- 10. What is surface water flow called?
- 11. What do plants release water through?
- 13. What process turns water into vapor?
- 14. What natural water flow shapes land?
- 17. What machine cleans drinking water?
- 18. What forms when vapor cools?
- 19. What stores most freshwater on Earth?
Down
- 1. What is groundwater stored in?
- 2. What is falling water from clouds called?
- 3. What underground water source feeds springs?
- 4. What layer holds groundwater?
- 5. What moves water through soil?
- 8. What large body holds saltwater?
- 9. What system supplies water to cities?
- 12. What is frozen precipitation called?
- 15. What is the main source of river water?
- 16. What heats water in the water cycle?