Physics Review

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Across
  1. 3. If it has 1000000000000 stars it is a ________.
  2. 7. A group of a minimum number of atoms in the same ratio as in the bulk material is a ________.
  3. 8. Currently the objects that we hope are the smallest components of matter are called ________.
  4. 10. Energy/electron = ________.
  5. 11. Difficulty on passing current is called ________.
  6. 14. AMA accounts for ________.
  7. 17. Electrons/sec = ________.
  8. 18. The simplest (most fundamental) object obtainable by chemical means (pounding, acids, freezing, etc.) is ________.
  9. 20. A ________ consists of everything observable.
Down
  1. 1. If a machine is 90% efficient where does the missing 10 % go?
  2. 2. The distance light travels in a year.
  3. 4. A positron was the first example of ________.
  4. 5. If each fission causes one additional fission you have a ________.
  5. 6. If it is comfortable to live on it’s a ________.
  6. 9. A fuse should be in ________ with the thing it is to protect.
  7. 12. These have a very regular organized structure.
  8. 13. There are about a hundred different types of ________.
  9. 15. Heavy nuclei produce energy by ________.
  10. 16. Magnetic field affect ________.
  11. 19. A generator worked backward would probably act like a ________.