TABLE OF CONTENTS CHAPTER 1 Make It Work 4 CHAPTER 2 What Do They Do 10 CHAPTER 3 What Can You Do 18 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
CHAPTER 1 MAKE IT WORK Have you ever looked at a machine and wondered who figured out how to make it work The answer is often a mechanical engineer CHAPTER 1
These engineers make our lives easier Have you been hot and sweaty They designed your air conditioner Don’t cars make travel easy They designed them too CHAPTER 1
