Simple Machines

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Across
  1. 4. a simple machine that holds things together, but is also a long inclined plane wrapped around a shaft
  2. 5. a wheel with grooves for a cord that passes through. It is used to move, lower, or raise a load
  3. 6. a bar that rests on a pivot and is used to move heavy loads when a force is applied to the opposite side
  4. 7. a machine that has at least two simple machines, which form one thing and work together
  5. 8. something that has a slanting side with a sharp corner (can cut things apart)
Down
  1. 1. any kind of wheel with a rod in the middle (axis) that can lift loads when the two work together
  2. 2. a slanted surface that helps loads get from a lower level to a higher level
  3. 3. the spot a lever rests on and where it is being pivoted