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Book Snapshot
Title: Bridges: Strong and Safe
Genre: Nonfiction (informational)
Subject: Science (Engineering)
Primary Topic: Bridge types, parts, and forces that affect bridges
Estimated Guided Reading Level (A–Z): H
What This Book Teaches Best
Explains what bridges do: connect two places and help people and vehicles cross obstacles.
Introduces several bridge types and what makes each one work (beam, arch, suspension, truss).
Teaches key bridge parts and supports (deck, abutments, piers) using clear definitions in context.
Builds science/engineering understanding of forces that act on bridges (gravity, tension, compression).
Shows that scientists and engineers work together to keep bridges safe.
Learning Goals
Students will explain how bridges help people, cars, and trains travel using text details.
Students will identify and describe at least two types of bridges named in the book.
Students will use the book’s words to tell what a bridge deck is and what it does.
Students will describe how gravity, tension, and compression affect bridges, based on the text.
Students will explain what piers do and why they must be deep and steady.
Key Vocabulary From the Text
deck — the flat top part of a bridge.
abutments — the ends an arch bridge pushes against.
tension — a pulling force that stretches materials.
compression — a pushing or squeezing force.
piers — supports that go into ground or water.
Discussion Prompts
Pre-reading question: How do you think bridges help people get from one place to another?
Comprehension questions: What do bridges help cars, trains, and people do? What is the flat top of a beam bridge called? What do piers keep a bridge from doing when wind blows or water flows fast?
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