Simple Machines Crossword

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Across
  1. 2. This is the fulcrum of the third-class lever that allows you to show how strong you are
  2. 3. These wedges make a bulletin board more useful
  3. 4. Wheel and axle often used by bakers to make pie crusts
  4. 6. A door is not much good without these wheel and axles
  5. 7. A wedge often used together with a knife when dining
  6. 8. Wheelchairs can use this inclined plane instead of stairs
  7. 9. These inclined planes sometimes come in flights
  8. 10. Nails aren't much use without this lever
  9. 11. You can find this first-class lever on a playground
  10. 13. This wheel and axle is essential for eating canned food
  11. 15. Your car takes this inclined plane to the top of a mountain
  12. 19. This wheel and axle makes it a lot easier to eat a certain cheesy Italian specialty
  13. 20. A pulley at the top of these lets you raise Old Glory
  14. 22. Hit a grand slam with this lever
  15. 24. A good screw to have if you are afraid of the dark
  16. 26. This lever gets use in the Fall, especially near trees
  17. 28. This screw makes it easier to drink wine
  18. 30. Dull writing utensils have no point without these wedges
Down
  1. 1. This wedge keeps a door where it belongs
  2. 5. These use pulleys to let light into a room or shut it out
  3. 8. Like shoes....If shoes had wheels and axles
  4. 11. Every driver should have one of these wheel and axles
  5. 12. Your smile would look funny without these wedges
  6. 14. This screw makes it easier to change a tire
  7. 16. You use this wedge to split wood
  8. 17. This inclined plane is similar to stairs but requires less effort
  9. 18. You can't slice or dice without this wedge
  10. 20. This screw lets you change cold water to hot water and back again
  11. 21. This popular inclined plane is found on most playgrounds
  12. 23. Pirates dig for buried treasure with this wedge
  13. 25. Squirrels would probably like this lever
  14. 27. Many of these environmentally-friendly solar-powered clothes dryers have pulleys
  15. 29. The fulcrum of this first class lever allows you to nod your head up and down.
  16. 31. Robin Hood would be lost without these wedges