Janice VanCleave's Physics for Every Kid. Janice VanCleave

See for Yourself What Happened? 26 Plano-Convex Lens See for Yourself What Happened? 27 Polarized Light See for Yourself What Happened? 28 Filters See for Yourself What Happened? 29 Optical Density See for Yourself What Happened? 30 Refractive Index See for Yourself What Happened? 31 Shadows See for Yourself What Happened?

      7  II: Force and Motion Introduction 32 Inertia: Newton's First Law of Motion See for Yourself What Happened? 33 Rotational Inertia See for Yourself What Happened? 34 Acceleration See for Yourself What Happened? 35 Impulse See for Yourself What Happened? 36 Gravity See for Yourself What Happened? 37 Friction See for Yourself What Happened? 38 Air Resistance See for Yourself What Happened? 39 Drag Force See for Yourself What Happened? 40 Air Pressure See for Yourself What Happened? 41 Torque See for Yourself What Happened? 42 Resultant Force of Gravity See for Yourself What Happened? 43 Center of Gravity See for Yourself What Happened? 44 Balance See for Yourself What Happened? 45 Shifting the Center of Gravity See for Yourself What Happened? 46 Action/Reaction See for Yourself What Happened? 47 Normal Force See for Yourself What Happened? 48 Balloon Rocket See for Yourself What Happened? 49 Bounce See for Yourself What Happened? 50 Coandă Effect See for Yourself What Happened? 51 Bernoulli's Principle See for Yourself What Happened? 52 Pressure Differences See for Yourself What Happened? 53 Balanced Forces See for Yourself What Happened?