History Of Engineering

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