simple machines
Across
- 3. such as a ramp or a blade
- 6. removal of metal bottle caps
- 8. rigid bar pivoted around a fulcrum
- 10. sharpening a pencil by rotating
- 12. cylinder rolled over pastry or dough
- 13. a heavy iron bar
- 14. a long plank balanced in the middle
Down
- 1. tilts or opens at the back for unloading
- 2. Bicycle, Ferris Wheel, Fan,
- 4. broad flat blade and typically upturned sides
- 5. inclined plane installed
- 7. having one thick end and tapering
- 9. vehicle with four wheels
- 10. machine made of a wheel
- 11. sharp-pointed metal pin