Energy and The 6 Simple Machines

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Across
  1. 4. plane a sloping ramp where heavy loads can be raised
  2. 5. when two things strike against each other
  3. 8. a simple machine used often in transportation
  4. 9. the energy of motion
Down
  1. 1. energy that is stored in an object
  2. 2. a wheel with a groove with a cord or string running over it; if you pull down on one end, the other goes up
  3. 3. something used to split things apart; used to chop wood or shovel dirt
  4. 6. a pointed metal pin used to join things together by being rotated so it pierces wood or another material
  5. 7. a bar that has a pivot point used to move heavy objects by putting pressure on one end and lifting the other