Across
- 3. A quality of something
- 6. To move your wings up and down to fly
- 7. A hollow, lightweight structure that supports the wings of an aircraft
- 10. The ability to do something
- 11. The condition of being light
Down
- 1. The ability to change to suit different conditions
- 2. A long, thin part of a bird or aircraft that helps it to fly
- 4. To change over time
- 5. The ability to fly
- 8. To fly high in the air without flapping your wings
- 9. To move smoothly through the air without flapping your wings