TABLE OF CONTENTS CHAPTER 1 Cooling Down 4 CHAPTER 2 How They Work 8 CHAPTER 3 Refrigerators Today 18 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
CHAPTER 1 COOLING DOWN What do you crave when you are hot Maybe you want a cold drink
refrigerator You might look in a refrigerator for one But people have not always had this appliance
