UNIT 1:Home and Family 1
Chapter 1 The McCaugheys:An Unusual Family 2
Chapter 2 A Musical Family 13
UNIT 2:Language and Culture 29
Chapter 3 Learning a Second Language 30
Chapter 4 Food and Culture 45
UNIT 3:Exercise and Fitness 63
Chapter 5 The Importance of Exercise for Children 64
Chapter 6 The New York City Marathon:A World Race 77
UNIT 4:Remarkable Researchers 93
Chapter 7 Margaret Mead:The World Was Her Home 94
Chapter 8 Louis Pasteur:A Modern-day Scientist 107
UNIT 5:Science and History 127
Chapter 9 The Origin of the Moon 128
Chapter 10 Maps:The Keys to Our World 141
UNIT 6:Future Technology Today 159
Chapter 11 Saving Lives with Weather Forecasting 160
Chapter 12 Clues and Criminal Investigation 173
Word List 191