robot Maruf H.

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Across
  1. 2. the speed of something
  2. 7. Robert H. Goddard creator of liquid fueled rocket
  3. 8. von Braun famous German engineer in aerospace
  4. 9. moving unsteadily
Down
  1. 1. taking place along constant streamlines
  2. 3. a vertical take of a rocket
  3. 4. a small rocket engine
  4. 5. THIRD LAW OF MOTION every action has an equal reaction
  5. 6. push something suddenly
  6. 7. pull something along forcefully
  7. 10. a self propelled device that carry his own fuel