Skills
 Introduction
 UNIT 1: Home and Family
  Chapter 1 The McCaugheys: An Unusual Family Bobbi and Ken McCaughey have a very large family. They have septuplets—seven children born together—and an older child too!
  Chapter 2 A Musical Family This family moved away from the city to start a new life. Now the parents and their children play musical instruments together, instead of video games.
 UNIT 2: Language and Culture
  Chapter 3 Learning a Second Language It is not always easy to learn a second language. But there are some ideas you can try to help you learn it a little more easily.
  Chapter 4 Food and Culture Some people enjoy many different kinds of food. Other people prefer to eat food from their cultures. What happens when people move to a new culture?
 UNIT 3: Exercise and Fitness
  Chapter 5 The Importance of Exercise for Children
  Children need a lot of exercise. It is very important for their health. But in some schools, children do not have to exercise every day.
  Chapter 6 The New York City Marathon: A World Race The New York City Marathon is very popular. People come from many different countries all around the world to run together.
 UNIT 4: Remarkable Researchers
  Chapter 7 Margaret Mead: The World Was Her Home This famous anthropologist loved to learn about different cultures. She also wrote many books so that other people could learn about them, too.
  Chapter 8 Louis Pasteur: A Modern-Day Scientist This important scientist made many discoveries to help people stay healthy. These important discoveries are still very useful, and necessary, today.
 UNIT 5: Science and History
  Chapter 9 The Origin of the Moon People have many questions about the moon, for example "Where did it come from?" Scientists have some theories, or ideas, to help answer these questions.
  Chapter 10 Maps: The Keys to Our World Many people use maps for different reasons. They can give us a lot of information. But maps are not new. Thousands of years ago, people made maps of the world, too.
 UNIT 6: Future Technology Today
  Chapter 11 Saving Lives with Weather Forecasting Tornadoes can be very dangerous. New kinds of weather technology can help predict when a tornado will occur. This can help save lives, too.
  Chapter 12 Clues and Criminal Investigation Crime experts look for different kinds of evidence at a crime scene. These clues help them to find criminals and to solve crimes, too.
 Word List