Simple Machines Crossword

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Across
  1. 3. a wheel with a groove that holds a rope or cable
  2. 5. consists of a larger wheel attached to a smaller axle
  3. 6. an inclined plane wrapped around a cylinder or post
  4. 10. a sloping surface that makes it easier to move objects up or down
Down
  1. 1. simple machines have played a crucial role in shaping ____ civilization
  2. 2. a long bar that rests on a fulcrum
  3. 4. a set of toothed wheels that work together to change the direction of a force
  4. 7. a simple machine with a sharp edge that is used for splitting, cutting, or holding objects
  5. 8. a mechanical device that stores energy by undergoing elastic deformation
  6. 9. a projection on a rotating part in machinery