TOPIC 1-3

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Across
  1. 2. what pH strands for (three words)
  2. 3. the acronym for copper oxide bed regenerable application
  3. 4. helps regulate calcium deposition
  4. 6. a chemical in food used for energy
  5. 7. a chemical used to control pests
  6. 10. a chemical that produces an acidic substance, having a pH value of less than 7
  7. 12. people who use their knowledge of chemistry to design and build devices to remove oxides before they get into the air (two words)
  8. 14. a substance with the pH of 7.4 (two words)
  9. 15. food category that we get protein from
  10. 17. substance with the pH of 5.6 (two words)
Down
  1. 1. a scale that measures the acidity or alkalinity of a substance (two words)
  2. 2. inventor of DDT (three words)
  3. 5. dichlorodiphenyltrichloroethane
  4. 8. helps regulate nerve impulses in nerves and muscles
  5. 9. CaCO_3 (two words)
  6. 11. energy source for metabolism
  7. 13. crucial part of red bloods cells that regulates oxygen transport
  8. 16. the purpose of the catalytic converter is to encourage complete _________