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PPT
Sophia Learning

Sophia: Simple Machines: Lesson 1

For Students 9th - 10th
This lesson will introduce the six types of simple machines and show how machines can increase efficiency by reducing work input needed. It is 1 of 2 in the series titled "Simple Machines."
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Handout
The Franklin Institute

Spotlighting Simple Machines

For Students 3rd - 8th
Simple machines such as inclined planes in wedges and screws are explained.