science vocab crossword puzzle

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Across
  1. 2. time
  2. 3. displacement
  3. 4. mass
  4. 6. gravity
  5. 12. balanced-forces
  6. 13. friction
  7. 16. distance
  8. 18. friction-less
  9. 19. constant_speed
  10. 22. gravitational-acceleration
  11. 23. Newton’s-Laws-of-Motion-(3)
Down
  1. 1. direction
  2. 5. stationary/rest
  3. 7. acceleration
  4. 8. unbalanced-forces
  5. 9. velocity
  6. 10. gravitational-force
  7. 11. inertia
  8. 14. motion
  9. 15. speed
  10. 17. acceleration negative acceleration acceleration
  11. 20. position
  12. 21. force