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My Presentation On Simple Machines
This PowerPoint presentation introduces 3rd grade students to simple machines. It defines six simple machines - the inclined plane, lever, pulley, screw, wedge, and wheel and axle. For each machine it provides an example, definition, and photos of the machine found on a playground. The presentation concludes that simple machines make work easier, have few moving parts, and can be combined to form more complex machines. It aims to teach students to identify the six simple machines and their functions.
