Answers to the Second Midterm

  1. True
  2. True
  3. False (Sulfur is element 32; Oxygen is element 16)
  4. False (Uranium is formed by Neutron Capture)
  5. False (elements are defined by # of protons)
  6. True
  7. False
  8. False
  9. False
  10. False (most of the iron is in the core, not the crust)
  11. False
  12. True
  13. False
  14. False
  15. True
  16. True
  17. False
  18. False
  19. False
  20. False
  21. False (more like one every hundred years)
  22. True
  23. D
  24. A
  25. E (like Uranium, gold, etc)
  26. C
  27. B
  28. D
  29. A
  30. E
  31. B
  32. C
  33. D
  34. B
  35. A
  36. C
  37. E
  38. C (but 1/2 credit given for A,D, or E)
  39. C (but 1/2 credit given for B)
  40. E
  41. C
  42. D
  43. D
  44. A
  45. B
  46. C
  47. E (Ozone layer forms only 600 million years ago)
  48. D (which is why there is little iron in the crust)
  49. A
  50. D
  51. D
  52. C
  53. C
  54. C (definitely)
  55. Dogs