Across
- 4. The ability to do work or cause change
- 5. An early model used for testing a design
- 6. A form of energy used to power lights and machines
- 7. A limit engineers must work within
- 8. A detailed drawing that shows how something is built
- 11. A structure that spans over water or land to connect places
- 12. A person who creates something new
- 16. Improving an idea or technology to make it better
- 17. A machine that spins to produce power from wind or water
- 18. A pulling force used in cables and ropes
- 19. Legal protection for an invention
- 20. Using resources in a way that does not harm the future
Down
- 1. Basic systems like roads, bridges, and power grids
- 2. Parts that work together to do a job
- 3. A pushing force that squeezes materials together
- 9. A new device or idea created to solve a problem
- 10. Something built to support weight or serve a purpose
- 13. The plan for how something will work or be built
- 14. What something is made from
- 15. Using science and math to solve real-world problems