Simple Machines

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Across
  1. 2. An inclined plane wrapped around a center rod.
  2. 4. A simple machine that has a gently sloped surface so it can be used to move objects upwards with less force.
  3. 6. A simple machine that gets thinner at one end that is used to split material such as wood.
  4. 7. A plank that rests on something underneath and moves up and down.
Down
  1. 1. A simple machine used to move objects across a distance using a round part and a long part.
  2. 3. Tools that make difficult tasks easier by changing the direction of the force or the amount of force needed to do something.
  3. 5. A wheel and rope that can change the direction of a force.