Lesson 172 of 500 · Extra Passages

Simple Machines Part 3

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Simple Machines is studied by students all over the world. It is a key part of the curriculum. Teachers explain Simple Machines using examples and activities. With practice, anyone can understand Simple Machines well. As students advance, they learn more details about Simple Machines. Practice and review help strengthen understanding.

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Question 1

1 of 2

What is Simple Machines a part of?