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