Across
- 4. is the force that acts at a right angle to the Direction of motion through the air and is created by Differences in air pressure.
- 6. Must have mass and it must take up space
- 7. The feeling of a bird wing
- 9. is the force that propels a flying machine in the direction of motion
- 12. Use the rudder to control
- 13. Move with a smooth continuous motion, typically with little noise.
- 15. When something exerts a force on to something else
- 18. is the force of gravity and acts on downward direction
- 20. Deals with the forces of air on an object moving through it.
- 22. ...that moves the air-craft in the direction of the motion
- 23. Several blades mounted on a single mast.
- 24. Was inspired by a stringed kite
- 25. Inspiration came from a dragonfly
Down
- 1. the action or process of flying through the air
- 2. is the force that acts opposite to the direction of motion,and is caused by friction and differences in air pressure.
- 3. Use the elevator to control
- 5. Is defined as how much stuff a object contained
- 8. usually at the rear of an aircraft, which control the aircraft's pitch
- 10. Exists all around us
- 11. Consists of wings, tethers and anchors, often has a string and a tail to guide the face so the wind could lift it.
- 14. Comparison between two forces
- 16. Use the aileron to control
- 17. Flying or rising in the air
- 19. was inspired by a bird
- 21. The study of how things fly.
- 26. Cause to move forward or onward
- 27. When heated it rises