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Simple Machines

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  1. Simple Machines Grades 3-4 Created by: Audrey Janco

  2. Simple machines are used every day to make our lives easier. A flagpole is an example of a simple machine.

  3. There are six simple machines. • Pulley • Lever • Wedge • Wheel and axle • Inclined Plane • Screw

  4. A pulley is a simple machine that uses grooved wheels and a rope to raise. Pulley

  5. A lever is a stiff bar that rests on a support called a fulcrum which lifts orr moves loads. Scissors are an example of a lever we use daily. Levers

  6. A wedge is an object with at least one slanting side ending in a sharp edge. Can you name this wedge? Wedge

  7. A wheel and axle consists of a wheel with a rod called an axle through its center that lifts or moves loads.

  8. Inclined Plane • An inclined plane is a slanting surface connecting a lower level to a higher level.

  9. Screw • A screw is an inclined plane wrapped around a pole which holds things together or lifts materials.

  10. See how many simple machines you can name.