Across
- 3. hard to pull something
- 6. hard to push something
- 7. point of equal gravity on all sides
- 8. Father of the US rocketry
- 10. all pressure is on an object
- 13. a famous philosopher created three of these; this is the 3rd one
- 16. "GPS" on a rocket
Down
- 1. term used for something moving in a given direction
- 2. smooth ride
- 4. object launched to go somewhere high
- 5. famous philosopher's created three of these; this is the 1st one
- 9. aerospace engineer and a space architect from Germany
- 11. change in energy of an object
- 12. this helps things go forward
- 14. Opposite of laminar
- 15. a rocket does this every time it gets launched