Across
- 4. von Braun a scientist and space architect
- 5. The speed of something in a given direction
- 7. Impulse the maximum momentum
- 8. A resistance or ty[e of friction
- 10. Chemical substance used to produce energy
- 12. of pressure Represents all forces that are being acted upon
- 13. takeoff of a vertical rocket
- 14. taking place at constant streamlines
Down
- 1. A machine that carries it's own fuel
- 2. third law of motion Every object has an equal and opposite reaction
- 3. The opposing action of rockets
- 6. Moving unsteadily or violently
- 9. Robert H. Goddard The first scientist to make a rocket
- 11. An engine used to thrust the rocket up and in different directions