What is Physics?

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Across
  1. 2. How packed a material is and is not a vector quantity
  2. 3. how fast the speed of an object increases
  3. 5. Einstein's Theory of time and space called _____ was revolutionary
  4. 8. the study of motion, velocity and acceleration
  5. 10. measured in meters per second and doesn't matter in which direction
  6. 12. total path taken during a trip (not the shortest)
  7. 16. measured in meters and is shortest path between A and B on a map
  8. 17. ____ is represented by an arrow in physics
Down
  1. 1. the study of heat and its effects
  2. 4. the study of lenses and its action on light
  3. 6. the science of the study of matter and energy the ability to do work
  4. 7. a vector quantity needs both magnitude and ___
  5. 9. _____ physics is used for atoms but never planets
  6. 11. word that means Amount in physics
  7. 13. Beginning of a vector
  8. 14. End of a vector
  9. 15. Study of electricity & magnetism and how they
  10. 17. measured in meters per second and must have direction given