Across
- 1. Force that acts opposite to the direction of motion
- 4. Created when birds flap their wings
- 6. Wind
- 7. Toy flown in the wind at the end of a long string
- 10. Wind that comes from the north and blows south
- 11. Flightless bird
- 13. Measures wind speed
- 14. Very strong wind
- 15. turbine Converts wind energy into electricity
- 16. Lifts objects off the ground
Down
- 2. Sudden strong rush of wind
- 3. Light wind
- 5. Spinning funnel-shaped column of air
- 6. Huge spinning storm with very high winds
- 8. vane Used to measure wind direction
- 9. Bird moving wings up and down
- 12. machine propelled by the wind