Simple Machines

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Across
  1. 4. A bar that moves on a pivot point
  2. 6. The point a lever pivots on
  3. 7. The rod in the middle of a wheel
  4. 8. A round part that spins with an axle
  5. 9. A sharp tool that splits or cuts things apart
Down
  1. 1. Plane A flat surface set at an angle
  2. 2. A twisting tool that holds things together
  3. 3. A simple machine that uses a rope and a wheel to lift things
  4. 4. The heavy thing you lift with a simple machine
  5. 5. A slope that makes lifting easier
  6. 6. A push or pull that moves an object