Science Review

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Across
  1. 5. "Lights, camera, action" of nervous system communication
  2. 7. Epithelial cell; means "scale/scale-like"
  3. 8. "I think, therefore I am", said the skeptical French mathematician
  4. 11. Momentum, Mass, and Energy all of this rule in common
  5. 14. Cells of the skin
  6. 15. "Invention and __________________", said the engineers
  7. 16. The nervous system "pit crew" cells
  8. 17. You say neuron cell body, I say ____________
Down
  1. 1. Telescopes, independent confirmation, and heliocentrism
  2. 2. The "heads up" direction
  3. 3. The Sun is one of these; so are each of Snow White's 7 friends.
  4. 4. Remember Greek? This means "star cell"
  5. 6. 4 laws, and one of 'em is 0th.
  6. 9. The superheated hydrogen in the Sun goes up and down, up and down...
  7. 10. Velocity minus direction
  8. 12. Breakfast and state-sponsored science, anyone
  9. 13. Your skull and spine are in this direction (I hope)