Science Word Search

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Across
  1. 3. of unused chemical energy.
  2. 7. British sailors were referred to as these in 1700s.
  3. 8. Oxygen is what percent of the human body (by mass).
  4. 11. is a component of vitamin B12 which helps regulate red blood cells
  5. 14. DDt was severely banned in Canada after this date.
  6. 16. power of hydrogen. PH means _____.
  7. 17. mineral 100 mg a day or more.
  8. 18. scale The __________ is a way of comparing the relative acidity or alkalinity of a substance.
Down
  1. 1. source for metabolism.
  2. 2. regulate calcium deposition.
  3. 4. The mineral potash is the source of …
  4. 5. The swelling of the thyroid gland at the base of the neck.
  5. 6. This disease was transmitted by lice during WW2.
  6. 9. is a key component of three enzymes that regulate metabolism
  7. 10. is a component of some enzymes involved in bone formation and protein metabolism
  8. 12. a component of enzymes that helps prevent decay of cell function
  9. 13. C This vitamin helps form the connective tissue that holds our skin and exc.
  10. 15. In Danish the p in Ph means______.