|Name of Activity
||Simple Machine Summary
||Simple Machines, pulleys, screws
||K, 1, 2, 3, 4, 5, 6
||1 Hour Total
||This lesson is a review of simple machines and their use in the real world.
||- Introduce pulleys and screws.
- Review real world applications of simple machines.
||- ‘Screws and Pulleys’ Powerpoint
- ‘Simple Machines’ Powerpoint
- Household materials that consist of simple machines
|Preparation and Set Up:
||Be sure that there is some way to present the Powerpoint information (projector, TV, overhead, as handouts etc.).
- Review simple machines and any activities where students have used simple machines.
- Introduce the concept of pulleys and screws as extensions of more basic machines – respectively, the wheel and axle, and the inclined ramp.
- Show and narrate the ‘Screws and Pulleys’ Powerpoint (attached).
- Show the ‘Simple Machines’ Powerpoint and have students identify where simple machines are being used on a piece of paper (numbered 1 – 25). The answer to some pictures may be none.
- Tell students to keep in mind that even if a simple machine is present in an object (such as a screw), it does not classify as a machine if it is not performing its function.
- If there is time and equipment, let students research household objects that use simple machines and present their findings.
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