Rocket Science

2. Something that is not steady.
8. A German aerospace engineer.
9. A object that can go up to great height.
10. The center of mass.
12. The force that works against the movement of another object.
13. airflow that isn't turblent
15. An object at rest stays at rest, and an object in motion stays in motion
16. When an aircraft takes off.
17. A force that drives something else forward.

1. A point on a body where all pressure acts on the body
3. An American engineer professor who made the world's first liquid-fueled rocket.
4. force equals mass times acceleration
5. Every action comes with a reaction.
6. A system pushing an object in one direction.
7. The speed of something given in a direction.
11. a small rocket engine on a spacecraft, used to go faster in its flight path.
14. A change in momentum.