Across
- 3. von Braun known as a rocket experimenters in Germany
- 6. compound exercise
- 9. fluid dynamics
- 11. of pressure middle of pressure
- 12. used to start your car or other object.
- 13. third law of motion equal and opposite force on the first object.
Down
- 1. Robert H. Goddard American engineer and inventor
- 2. speed
- 4. platform stage or open stage
- 5. impulse object produces
- 6. air flow
- 7. rhymes with socket
- 8. going up
- 10. air resistance