Science Crossword

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Across
  1. 1. a person who monitors water quality
  2. 6. fit or suitable for drinking
  3. 9. a salt or compound that has phosphorus in it
  4. 11. the act or process of making water more potable or useful, as by purifying, clarifying, softening, or deodorizing it
  5. 13. refers to microscopic bubbles of gaseous oxygen (O2) that are mixed in water and available to aquatic organisms for respiration
  6. 15. when contaminants are introduced into the environment over a large, widespread area
  7. 19. gas in a simple physical solution, as distinguished from gas that has reacted chemically with a solvent or other solutes and is chemically combined
  8. 20. a rule or directive made and maintained by an authority
  9. 21. water that is safe for drinking or consuming purposes
  10. 22. Yadkin Pee Dee River Basin is North Carolina’s second largest basin goes across North Carolinas mid section
  11. 25. refers to responsible use and protection of the natural environment through conservation and sustainable practices
  12. 27. A liquid in which substances are dissolved forming a solution
  13. 28. The deep is the lowest layer in the ocean, existing below the Twilight Zone in which some organisms
  14. 30. the movement of cold nutrient rich water from deep layers of the ocean up to the surface
  15. 32. describes the condition of the water, including chemical, physical, and biological characteristics
  16. 33. the land water runs on or above on its way to a river
  17. 34. a conserved natural habitat where plants and animals can thrive
  18. 35. a substance that an organism needs to carry out life functions
Down
  1. 2. a measure of how clear water is
  2. 3. the saltiness of a body of water
  3. 4. A point source of pollution is a single identifiable source of air, water, thermal, noise or light pollution
  4. 5. a deep hole made in Earth’s surface to obtain water, oil or other resources
  5. 7. naturally occurring inorganic that are essential to the functioning of the human body and are obtained from foods
  6. 8. all of the living and nonliving parts of an environment and the interactions among them that relate or are found in the ocean
  7. 10. an organism used to monitor the health of an ecosystem
  8. 12. all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds
  9. 14. a place where freshwater from a river meets and mixes with salt water from the ocean
  10. 16. Inorganic or organic ester or salt of nitric acid are the most water soluble of all salts, and play a major part in nitrogen cycle
  11. 17. water located under Earth’s surface
  12. 18. a microorganism, especially a bacterium causing disease or fermentation
  13. 23. a place where things are kept usually water can be either natural or man-made
  14. 24. natural water that has not gone into the ground
  15. 26. the continuous movement of water between Earth’s surface and its atmosphere
  16. 29. a measure of how acidic or how basic a liquid is
  17. 31. a part of Earth's surface covered by ocean water and contain most of Earth’s water