Across
- 3. when water travels up
- 4. tightness across the surface of water caused by polar molecules
- 6. the amount of salt in a solution
- 7. water in an estuary is _____
- 8. this organization manages and cleans our water supply
- 9. chlorine is added to kill germs and clean water
- 10. something that can dissolve many substances
- 12. the attraction between water molecules to other materials
- 16. where dissolved oxygen is added for bacteria
- 17. ability of a substance to take in a material
- 18. opposite charges of a molecule attract or stick together
- 19. place where salt and fresh water mix
Down
- 1. main difference between water and waste water treatment
- 2. water is cleaned by moving through filters
- 5. makes contaminants stick and sink
- 11. the amount of heat needed to increase the temperature of a substance
- 13. a solid separated out of a solution
- 14. the process of treating waste water does not include treating ______
- 15. the attraction between water molecules
- 18. charged molecule