Across
- 3. controls the pitch of the plane
- 6. made the first real studies of flight
- 9. twice the speed of sound
- 11. faster than the speed of sound
- 12. last name of the brothers who invented the first hot air balloon
- 14. controlled by the rudder
- 15. pilot uses this to control engine power
- 17. the push that lets something move up
- 18. commercial jets fly at this speed
- 19. a winged horse
Down
- 1. raise and lower the wings
- 2. the speed of a small plane
- 4. last name of Orville and Wilbur
- 5. plane with no engine
- 7. a force that pulls back on something trying to move
- 8. the speed of the space shuttle
- 10. father or Icarus
- 11. thunder-like noise
- 13. speeds of flight
- 16. the push that moves something forward