Wheels! Science Projects with Bicycles, Skateboards, and Skates

Wheels! Science Projects with Bicycles, Skateboards, and Skates

by Madeline P. Goodstein

Hardcover(Library Binding)

$31.93

Product Details

ISBN-13: 9780766031074
Publisher: Enslow Publishers, Incorporated
Publication date: 09/01/2009
Series: Score! Sports Science Projects Series
Pages: 104
Product dimensions: 6.80(w) x 9.60(h) x 0.30(d)
Age Range: 10 - 13 Years

Table of Contents

Introduction 5

The Scientific Method 7

Chapter 1 Wheels 9

1.1 Inventing the Wheel 11

1.2 Galileo and Newton's First Law 14

1.3 Friction 19

1.4 Bearings 24

Chapter 2 Skating on Wheels 28

2.1 Center of Gravity and the Leaning Tower of Pisa 32

2.2 A Low Center of Gravity Helps 36

2.3 How to Fall on Skates and Get Up Again 39

2.4 The Third Law of Motion Applied With Roller Skates 44

2.5 Why Use In-Line Skates? 47

2.6 Muscular Energy 49

2.7 The Law of Conservation of Angular Momentum 52

Chapter 3 The Skateboard 56

3.1 The Law of Conservation of Energy 58

3.2 Unweighting 63

3.3 The Ollie 66

3.4 Turning in Midair 72

Chapter 4 The Bicycle 74

4.1 How to Balance a Bicycle 77

4.2 Turning a Bicycle Compared to Turning a Tricycle 81

4.3 How Do Bicycle Gears Work? 84

4.4 Air Is Everywhere Around Us 91

4.5 Drafting 95

Glossary 99

Further Reading (Books and Internet Addresses) 101

Index 102

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