Across
- 6. Used to clean unwanted particles from water
- 7. Big storage for water at home
- 9. Used to water plants drop by drop
- 10. You drink this every day
- 12. Plants need ____ to grow
- 13. Process of settling down heavy particles in water
- 15. Collecting rain is called rainwater ___
Down
- 1. Keeping water safe for future is called
- 2. Machine that removes salt from sea water
- 3. Water stored under the ground
- 4. Too little water is called a ___
- 5. We must ___ water every day
- 8. A big water body, smaller than ocean but not river
- 11. Water that falls from the sky
- 14. The level of acidity or basicity in water