CO2 Car Crossword

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Across
  1. 2. a rod on which a wheel turns
  2. 3. to push something suddenly and hard
  3. 6. the study of how air and gases flow
  4. 9. detailed information or instructions
  5. 13. speed
  6. 14. CO2
  7. 16. the rate of movement or motion
  8. 17. the resistance to motion of two moving objects or surfaces that touch
  9. 18. the last drawing, it has all the details and is drawn to perfection
  10. 20. the amount of physical matter that an object contains
Down
  1. 1. any technology concerned with the movement of people and goods within society
  2. 4. a small drawing
  3. 5. the decrease in velocity of a moving body
  4. 7. key part in craftsmanship where a finished car is made
  5. 8. Material used for car body
  6. 10. the version of an invention
  7. 11. increase in velocity of a moving body
  8. 12. vehicle used to pace racecars at a flying star
  9. 15. the friction that holds a vehicle back
  10. 18. the cause that puts a resting object into motion
  11. 19. the force that pulls things down toward the surface of earth