Simple Machines

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Across
  1. 3. a stiff bar that rests on a support called a fulcrum which lifts or moves loads
  2. 4. uses grooved wheels and a rope to raise, lower, or move a load
  3. 6. a simple machine that pushes objects apart and has one slanting edge and one sharp edge
Down
  1. 1. a wheel with a rod, called an axle, through its center lifts or moves loads
  2. 2. a slanting surface connecting a lower lever to a higher level
  3. 5. an inclined plane wrapped around a pole which holds things together or lifts materials