Across
- 3. The contamination of water by organisms or substances
- 8. This occurs when large amounts of water are used that cannot be fully restored
- 14. The overexploitation of groundwater allows sea water to enter into aquifers
- 15. This type of water is used to wash dirty dishes at a restaurant
- 16. Water is stored here before it is treated
- 17. Liquid water changes to water vapour and creates humidity in the air
- 19. The continuous movement of water on Earth
- 20. This water is used at home to brush yoru teeth or shower
Down
- 1. This water is safe to drink
- 2. Water vapour changes changes to liquid water, forming clouds
- 4. The minimum flow of a river necessary to maintain aquatic life
- 5. This type of water is found on land, and most of it comes from melted ice and snow
- 6. Water in the clouds falls to the ground in the form of rain or snow
- 7. An underground storage space for water
- 9. This category uses water to sustain livestock and water crops
- 10. This chemical is added to water during the treatment process to kill microorganisms
- 11. This provides energy that is used to power the water cycle
- 12. This type of water comes from the ocean
- 13. This is an example of dissolved solids that contaminate water
- 18. More than 95% of this liquid, found in the body, is made of water