Simple Machines

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Across
  1. 3. simple machine with a slanted surface, an ________ plane
  2. 4. simple machine with a wheel with a grooved rim
  3. 6. simple machine made of components that turn together, a _____ and axle
  4. 7. force that attracts you to the Earth
  5. 8. a push or pull
Down
  1. 1. simple machine with a post wrapped by an inclined plane
  2. 2. machine that does work with one movement
  3. 5. simple machine with a pivot on a fixed point
  4. 7. a toothed wheel