Rockets

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Across
  1. 3. Speed of a thing in a certain direction
  2. 6. moving unsteady
  3. 7. force driving something else forward
  4. 10. of pressure place where pressure acts on body
  5. 11. pushing something with force to go in a certain direction
  6. 12. pulling something forcefully
Down
  1. 1. von Braun aerospace engineer
  2. 2. A take off
  3. 4. a small rocket engine on a space craft
  4. 5. third law of motion Every action has an equal and opposite reaction
  5. 8. An object that can be launched to a great distance
  6. 9. a place along constant streamlines
  7. 11. impulse change in momentum
  8. 12. Robert H. Goddard created first liquid fueled rocket