Water project

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Across
  1. 4. measure of saltiness
  2. 5. measure of how clear
  3. 7. inorganic compounds
  4. 8. intensity of heat
  5. 11. microscopic bubbles of gaseous oxygen
Down
  1. 1. excess nutrients causing dense growth of algae
  2. 2. Living organisms used to screen health of an ecosystem
  3. 3. drinking water
  4. 6. chemicals
  5. 9. measure of how acidic or basic a liquid is
  6. 10. air being circulated