Across
- 1. Water that does not contain salt
- 5. A system that slowly delivers water to plant roots
- 10. A type of light used to kill germs in water
- 11. Underground body that holds water
- 13. Water found underground in soil and rock
- 14. The process of removing salt from seawater
- 15. The careful use of water to avoid waste
Down
- 2. A place where exess water is stored
- 3. Tiny organisms that can contaminate water
- 4. The process of making water safe to use
- 6. Harmful substances in water
- 7. The watering of crops to help them grow
- 8. Water turning into vapor due to heat
- 9. Land areas saturated with water and house aquatic life
- 12. The process of removing dirt and particles from water
- 14. A long period with very little rain