Vocab 4:5

12345678
Across
  1. 3. the point on which a lever rests or is supported and on which it pivots.
  2. 4. an object with at least one slanting side ending in a sharp edge, which cuts material apart.
  3. 5. an inclined plane wrapped around a pole which holds things together or lifts materials.
  4. 8. a slanting surface connecting a lower level to a higher level.
Down
  1. 1. two or more simple machines together.
  2. 2. a simple machine that uses grooved wheels and a rope to raise, lower or move a load.
  3. 6. A wheel with a rod, called an axle, through its center lifts or moves loads.
  4. 7. a stiff bar that rests on a support called a fulcrum which lifts or moves loads.