Across
- 2. a tool used to tighten or loosen bolts and nuts
- 5. experiment and make small adjustments to fix or improve something
- 10. a small clever tool or device
- 11. a wheel with a rope used to lift heavy loads
- 12. a strange or clever mechanical device
- 13. a machine that produces power to make things move
- 14. a sloped surface used to move things up or down
- 16. a device with moving parts that does a job
- 17. put parts together to make something
- 18. a cone-shaped tool used to guide things into a small opening
- 19. a bar used to lift or move heavy things
Down
- 1. create something new that did not exist before
- 3. put pieces together to create a structure
- 4. a path that electricity travels through
- 6. a device used to turn something on or off
- 7. wonderful and surprisingly impressive
- 8. a toothed wheel that works with other gears to create movement
- 9. a detailed plan or drawing for building something
- 15. find the answer to a problem
- 16. a device that uses energy to create motion