Across
- 1. Robert H. Goddard created worlds first liquid rocket
- 4. von Braun engineer
- 6. chemical substants
- 9. acceleration
- 10. pull (someone or something) along forcefully, roughly, or with difficulty.
- 11. propels the rocket forward
- 12. rapidity of motion or operation; swiftness; speed
- 14. impulse the impulses total
Down
- 2. a space capsule or vehicle put into orbit by such devices.
- 3. third law of motion For every action, there is an equal and opposite reaction.
- 5. of pressure the center of preasure
- 7. composed
- 8. given to acts of violence and aggression
- 13. When a plane or rocket leaves the ground