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Lesson 1 (from Chapter One, Tied Up with String)

Objective

Chapter One: Tied Up with String

This chapter deals with many of the fundamentals of modern physics. Understanding these basic principles, and being able to identify their influence is important for understanding later concepts, and reinforcing this kind of analytical thinking will enhance understanding of other material in the book. This lesson is about the four fundamental forces. Students should be able to identify the four forces, their roles, and identify when and where these forces are at work.

Lesson

1) Class Discussion - What are the quantitative differences between the forces? Do some seem to act in similar ways? On what scales would they be expected to act? Are all types of particles subject to all four forces? What is significant about different forces dominating at different scales? Why is gravity so seemingly powerful when physics states that it is very weak?

2) Class Activity - Separate...

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