Amazing Structures: Bridges

Amazing Structures: Bridges book cover — CHAPTER 1 Why Do We Use Bridges 4 CHAPTER 2 Types of Bridges 10 CHAPTER 3 Building Bridges 18 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24

Amazing Structures: Bridges — page 1 — Why Do We Use BriDges Did you ever see a tree lying across a stream Did you walk on it to get to the other side

Amazing Structures: Bridges — page 2 — Long ago trees that fell across streams may have given people the idea for building bridges

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