Across
- 4. Someone who works on design and performance of machines
- 8. The process of doing something
- 9. A way to find creative solutions by following a few steps
- 12. When something moves or changes position
- 13. A machine that harnesses the energy of the wind to do useful work
- 14. Having a reason for doing something or the reason something exists
Down
- 1. A rating scale used to measure a wind speed through observations
- 2. A tool or device that uses parts working together to help humans do work
- 3. A kind of windmill that changes the energy of the air
- 5. Achieving maximum productivity with minimum wasted effort
- 6. Air that is moving and has energy
- 7. Danish word for weather
- 10. Anything people create to make their lives easier or solve problems, like inventions or tools
- 11. An instrument used to measure the speed of the wind