Across
- 5. an aerospace engineer and space architect
- 7. force equals mass times acceleration
- 12. very orderly airflow
- 13. where the airflow is 90 degrees to the rocket body
- 14. Robert H. Goddard an engineer, professor, physicist, and inventor
- 16. the maximum momentum
- 17. very disorderly airflow
Down
- 1. a small rocket engine that provides thrust
- 2. the amount of force a rocket engine provides to a rocket
- 3. a vehicle that obtains thrust from a rocket engine
- 4. an object at rest tends to stay at rest
- 6. every action has an equal and opposite reaction
- 8. air resistance
- 9. takeoff
- 10. the average location of gravity
- 11. propels the rocket at a high speed
- 15. the speed of an object in a given direction