Environmental Chemistry

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Across
  1. 2. Substance that enriches soil so that plants will grow better
  2. 4. Measurements used to describe very small concentrations of chemicals
  3. 6. pH of 7; neither an acid or a base
  4. 8. Liquid that dissolves and carries substances as it passes through soil
  5. 9. Reaction between an acid and a base that produces water and salt
  6. 17. The water that fills all the spaces in the soil
  7. 18. Mixing of a substance with air or water; reduces the substances concentration
  8. 20. Compound that dissolves in a water to form a solution with a pH higher than 7
  9. 21. Large pipes that carries water from street drains into a river or lake
  10. 22. Organic molecules made up of atoms of carbon, hydrogen and oxygen; pasta
  11. 25. Organic molecules made up of atoms of carbon, hydrogen and oxygen; chicken and beef
  12. 27. Wastewater containing materials from your kitchen, bathroom and laundry
  13. 29. Compound that dissolves in water to form a solution that has a pH lower than 7
  14. 30. Chemicals used to kill pests
  15. 31. Gases in Earth's atmosphere that trap the heat radiated from the Sun; ex. water vapour
  16. 34. Nutrients that organisms need in only small amount
  17. 36. Scattering of a substance away from its source
  18. 38. Organic molecules made up of atoms of carbon, hydrogen and oxygen; fats and oils
  19. 39. Building blocks of proteins
Down
  1. 1. Any change to the environment that produces a condition harmful to living things
  2. 3. Wastewater released from a factory or sewage treatment plant
  3. 5. DNA and RNA
  4. 7. Process in which molecules move from an area of higher concentration to one of lower
  5. 10. CO; colourless, odourless gas found in the exhaust of internal combustion vehicle
  6. 11. Animals without backbones
  7. 12. Elements and compounds that organisms need for living, growing and reproducing
  8. 13. When nitrogen combines with oxygen as a result of fuel combustion; NO
  9. 14. Are one type of substance monitored to determine water quality; mercury and zinc
  10. 15. Forms when sulfur combines with oxygen in the air; major air pollutant; SO2
  11. 16. Fuel formed from dead plants and animals; coal, oil and natural gas
  12. 19. Tiny spaces between soil or mineral grains
  13. 23. Colourless, odourless gas found at ground level, result of industrial processes and vehicle
  14. 24. Increase in concentration of a chemical or element in a single organism
  15. 26. Underground material used to collect sewage
  16. 28. Increase in concentration of a chemical or element as it moves up the food chain
  17. 32. Substance made up of only type of atom
  18. 33. Nutrients that organisms need in large amounts
  19. 35. Breakdown of materials by organisms such as earthworms, bacteria and fungi
  20. 37. Measure of the percent of hydrogen ions in a solution