Across
- 1. provided by the wings keeping the plane in the air
- 4. steers the plane
- 5. air pushes against a plane to slow it down
- 7. less than 90 degrees
- 8. downward forces acting on the plane pulling it down
- 9. another name for the plane's wings
Down
- 2. makes the plane move forward
- 3. how air flows over the plane
- 6. flaps on the wings that make the wings tilt up
- 7. study of flight