Simple Machines

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Across
  1. 2. A wheel with a rod, called an axle through its center, lifts or moves loads.
  2. 3. A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load.
  3. 5. A rigid bar resting on a pivot, used to help move a heavy or firm load with one end when pressure is applied to the other.
  4. 6. A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart.
Down
  1. 1. A plane Inclined at an angle to the horizontal.
  2. 4. A short, slender, sharp-pointed metal pin.