Across
- 3. constant or not turbulent.
- 5. how many laws of motion did Newton make?
- 8. the Chinese was the first to make this.
- 9. to push something suddenly or violently.
- 10. thrust times duration of the motor burn time
- 12. Newton's first __ of motion.
- 13. the speed of something in a given direction.
- 15. Dr Robert H Goddard was considered the __ of modern rocket science.
Down
- 1. the bag was so heavy he had to __ it to the trash bin.
- 2. rockets have a __ of gravity.
- 4. what kind of engineer was Wernher von Braun?
- 6. a substance that __ something.
- 7. this propels rockets up.
- 11. center __ pressure.
- 14. the rocket has __!