TABLE OF CONTENTS CHAPTER 1 A Day at the Beach 5 CHAPTER 2 What Is a Wave 9 CHAPTER 3 Waves in the Real World 21 SCIENCE IN ACTION Waves with a slinky 26 Focus on Waves 28 Glossary 30 To Learn More 31 Index 32
CHAPTER 1 A DAY AT THE BEACH David is at the beach with his family He runs to the shore A small wave rolls onto his feet Then he looks out at the ocean He sees surfers riding large waves What causes these waves to happen Ocean waves are often caused by wind Un
