Physics Crossword

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Across
  1. 1. National Aeronautics and Space Administration
  2. 4. My first name
  3. 6. The only planet humans have walked on
  4. 8. A _____ consists of everything observable.
  5. 10. The unit of power
  6. 11. A measure of the amount of matter in an object
  7. 14. Our sun is a _____.
  8. 17. The physical flow of electrons
  9. 18. Force of attraction that exists between any two masses
  10. 19. Study of the basic principles that govern the physical world around us
Down
  1. 2. The largest planet in the solar system
  2. 3. The amount of space between two things
  3. 5. The rate of change of its position with respect to a frame of reference
  4. 7. Seventh planet from the sun in our solar system
  5. 9. Energy/second =
  6. 12. Change in distance over change in time
  7. 13. _____=ma
  8. 15. Something orbiting a sun that is too small to be a planet and too solid to be a comet is a _____.
  9. 16. Professor's name