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Simple machines**

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Simple Machines Presentation
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Simple machines**

  1. 1. Simple machines • Tools that make work easier
  2. 2. Lever • A lever is a stiff bar that moves about a fixed point • A lever is used to push, pull, or lift things
  3. 3. Screw • Is an inclined plane wrapped around a cylinder or cone • Common use is to hold objects together
  4. 4. Pulley • A pulley is a wheel that has a rope wrapped around it • Pulleys can be used to lift heavy objects by changing the direction or amount of force
  5. 5. Wheel and Axle • A wheel and axle consisted of a rod attached to a wheel • Makes it easier to move and turn things
  6. 6. Inclined Plane • Flat surface that is rasied so that one end is higher than the other • Helps move heavy objects up and down
  7. 7. Wedge • Wide at one end and pointed at the other to help split or separate to objects
  8. 8. Group Project • I will split the class up into 6 groups • Group 1: Lever • Group 2: Pulley • Group 3: Wheel and axle • Group 4: Inclined Plane • Group 5: Wedge • Group 6: Screw • Your group will get together today and begin research on your specific simple machine. I want you create a presentation that includes; a definition, how it makes work easier, and examples from home and school.
  9. 9. Next Step • You will begin work today and for homework (referencing these slides if needed) you will bring in or take pictures of examples of your machine around your home. • On Thursday, you will bring back these objects or pictures to show to your group. As a group you will decide which examples to present to your peers. • Your presentations are on 11/11

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