Across
- 3. using water in a way that preserves it for future generations
- 7. a process of treating and reusing water
- 10. pollution that makes water unsafe to use
- 11. an underground layer of water-bearing rock
- 13. a type of groundwater under pressure that flows to the surface naturally
- 15. careful use and protection of water resources
- 16. average weather conditions that influence rainfall and water availability
- 17. water that falls to Earth as rain, snow, hail, or sleet
- 19. an overflow of water that submerges land
- 21. when water changes from a liquid to a gas
- 22. a constructed or natural lake for storing water
- 23. an area where water is collected by the natural landscape
- 24. water that runs off surfaces during rainstorms
Down
- 1. a continuous movement of water on, above and below the surface of the Earth
- 2. a shortage of water supply
- 4. artificial application of water to help crops grow
- 5. a release of water vapour from plants into the atmosphere
- 6. a water-saturated land area that supports aquatic plants
- 8. a process of removing salt from seawater
- 9. all the water on Earth's surface and in the atmosphere
- 12. water stored underground in soil or rock
- 14. water that flows over the surface of land
- 18. a process where water vapour turns into liquid
- 20. an extended period of little or no rainfall