Table of Contents

Physics, Mr. Wizard, Mathematics, and Phenomenology p.1

Economy in Teaching: English, Math, History and Art in Physics p.3

Block Rotation p.5

How to Present a Physics Lesson p.6

Materials List p.8

Lesson 1: Vibrations on a Tuning Fork p.10

Lesson 2: Resonance p.11

Lesson 3: Sympathetic Vibration and Beat Frequency p.13

Lesson 4: Frequency and Sound Pitch p.14

The Edison Phonograph p.16

Lesson 5: The Range of Hearing; the Amplitude of Sound p.17

Lesson 6: The Speed of Sound p.18

Lesson 7: The Ratios of Musical Intervals p.19

Lessons 8 and 9: Additional Study p.21

Lesson 1: The Law of Turbidity p.22

Lesson 2: Spectrum Colors p.24

Lesson 3: Subtractive Color p.29

Lesson 4: Additive Color p.33

Lesson 4b. Complementary Shadows p.34

Lesson 1: Mirror Phenomena p.35

Lesson 2: The Camera Obscura p.37

Lesson 3: Refraction p.38

Lesson 4: Refraction and Magnification p.40

Lesson 5: The Telescope p.43

Lesson 6: The Eye p.44

Lesson 1: The Properties of a Magnet and the Earth p.46

Lesson 2: The Compass p.48

Lesson 3: Magnetic Influence p.49

Lesson 4: Magnetization De-Magnetization p.50

Lesson 5: Lines of a Magnetic Field p.51

Lesson 1: The Many Ways Electricity Manifests Itself p.55

Lesson 2: Static Electricity p.56

Lesson 3: The Chemical Generation of Electricity p.56

Lesson 4: The Circuit p.58

Lesson 1: Magnetism and the Flow of Electrical Current p.60

Lesson 2: Detecting a Voltage p.60

Lesson 3: The Electromagnet p.61

Lesson 4: Build a Simple Telegraph p.62

Mechanics and Adolescence p.64

Lesson 1: The Lever p.65

Lesson 2: Foot-Pounds and the Inclined Plane p.69

Lesson 3: Six Basic Machines p.72

Lesson 4: Work, Power, and Energy p.75

Lesson 5: Universal Power p.77

Bibliography p.78