Across
- 2. A complete path for electricity to flow
- 5. A toothed wheel that transfers motion
- 10. Repeating a process to improve a design
- 12. A basic device that makes work easier
- 14. The study of numbers patterns and relationships
- 15. A push or pull on an object
- 20. The process of designing and building solutions to problems
- 21. Tools and systems used to solve problems
- 23. A wheel and rope system used to lift objects
- 24. Information or energy that goes into a system
Down
- 1. A device that stores and provides electrical energy
- 3. A material that resists the flow of electricity
- 4. The requirements a solution must meet
- 6. A force that slows motion between surfaces
- 7. A group of parts that work together
- 8. A limitation or restriction in a design problem
- 9. A plan or drawing created to show how something will be made
- 11. The study of the natural world through observation and experiments
- 13. The result produced by a system
- 16. The ability to do work
- 17. A rigid bar that pivots on a fulcrum
- 18. A material that allows electricity to flow easily
- 19. A rod that supports a rotating wheel
- 22. The force that pulls objects toward Earth
- 23. An early model used to test a design