Across
- 3. Water is made up of two elements: oxygen and ________.
- 8. Water is used in houses and _____ for various purposes.
- 9. Organisms that live in water are _____ organisms.
- 10. Water can dissolve carbon dioxide and _______.
- 12. One way we can conserve water is by reducing water ________.
- 13. Tiny amounts of ____ in tap water kills bacteria.
- 15. Solution A solution in which water is the solvent
Down
- 1. One of the main steps in water pollution control.
- 2. Water can be treated by ______ osmosis.
- 4. Water One alternative source of water.
- 5. Once source of pollutant where heavy metal is a type of pollutant.
- 6. A type of pollutant where the harmful effect is: it poisons and kills marine life.
- 7. Swollen/Firm
- 11. Water is an important ________.
- 14. Cycle This is driven by the Sun's energy.