Unit C Water Name:

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Across
  1. 2. water in gas form
  2. 3. _________contamination that is cause by living things
  3. 4. rivers,Lakes, Reservoirs
  4. 5. a chemical added to water to prevent tooth decay
  5. 9. ________ contamination caused by non-living things
  6. 10. harmful contamination caused by humans
  7. 11. to treat or combine with chlorine to kill living contaminants
  8. 12. example of this would be well water
  9. 14. process that traps solids and lets water flow through
Down
  1. 1. type of disease caused by water
  2. 4. contaminants fall to the bottom of water
  3. 6. adding a specific chemical to disinfect water
  4. 7. solid,liquid, gas
  5. 8. contaminants mix with chemicals and stick together
  6. 13. water with no dissolved solids.