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