Motion Crossword Puzzle

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Across
  1. 2. A quantity with only a unit, no direction
  2. 5. A course along which someone or something moves
  3. 6. The rate at which an object travels a given distance
  4. 9. An imperial measure of distance
  5. 10. Tool used to measure time
  6. 11. Where an object is in space
  7. 13. An object that one can use to judge motion
  8. 16. A metric measure of distance
  9. 17. A tool to directly measure speed with lasers
  10. 19. The formula for speed
Down
  1. 1. An object's speed at a single moment in time
  2. 3. Total distance traveled/time
  3. 4. Meters per second
  4. 7. A change in position
  5. 8. A quantity with both a unit and a direction
  6. 9. Miles per hour
  7. 12. A measure of time
  8. 14. An unchanging speed
  9. 15. An amount of space between two points
  10. 18. Kilometers per hour