Across
- 4. a thing that can thrust
- 7. constant streamlines
- 8. first law of motion stays at rest
- 10. boost you in the air
- 11. speed
- 12. to pull something
- 13. impulse a sudden strong
Down
- 1. driven forward or backwards
- 2. takeoff
- 3. what makes a jet shake
- 5. von Braun the father of space science
- 6. of pressure force agents and object
- 9. the speed given direction
- 12. Robert H. Goddard the father of rocket propulsion