Across
- 4. a flight that carries human beings into space and returns them
- 7. special boat that can travel on the surface or under water
- 8. type of orbit which a satellite travels the same speed as earth
- 9. force that holes a craft in the air
- 10. used to haul crated and bulk cargo
- 11. type of jet engine developed during WW2
- 13. rockets that use powder or spongelike mixture of fuel and oxidizer
- 14. region just above the mesosphere (thermosphere)
- 15. body of an aircraft that contains flight crew, passenger, and cargo units
- 16. aircraft that develops lift by spinning an airfoil
- 19. transport on rivers and coastal waterways
- 22. vessels that carry people
- 24. last layer of space above earth
- 25. provides power to pull farm equipment/part of a large truck where power is
- 26. rockets with two tanks, one with fuel and the other with oxygen
- 27. large ships that transport for profit
- 31. power source attached to the stern of a boat
- 32. special type of suspended boat on a cushion of air
Down
- 1. instruments that help pilots monitor and control an aircraft
- 2. lighter-than-air nonrigid airship
- 3. makes a vehicle change its direction
- 5. controls and directs power of an engine
- 6. controls speed and direction of a vehicle
- 11. lowest region of space where spacecraft and satellites operate
- 12. upward force exerted on an object in fluid
- 17. space flights that use rockets to place payloads into orbit
- 18. transmissions with a clutch between the engines
- 20. farthest distance away from the earth
- 21. part of an aircraft that separates the air into 2 streams, providing lift
- 23. region above the troposphere
- 28. layer that extends 22-50 miles above earth
- 29. vessels owned by private citizens for recreation
- 30. structure that provides steering capability for an aircraft