Simple Machines

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Across
  1. 4. A lever uses _____ to move something
  2. 5. A _____ is an inclined plane that is wrapped around a cylinder
  3. 6. ________ are tools that make tasks easier
  4. 8. The axle is the ___ that holds the wheels together
  5. 9. A rolling pin uses a ______
  6. 10. A bottle opener works as a _______
  7. 13. A boat ramp is an example of a _________
  8. 15. Wedges hold things ______
Down
  1. 1. A wedge is ________ that are back to back
  2. 2. A pulley uses a _____ to move heavy objects
  3. 3. A simple machine makes _____ objects easier
  4. 7. A ______ is often called a ramp
  5. 11. An inclined plane is used to _______ things
  6. 12. A machine that uses a wheel and rope
  7. 14. Wedges split things ______