Tunnels

by Virginia Loh-Hagan, Tamara Ryan (Narrated by)

Overview

The 21st Century Junior Library Extraordinary Engineering series explains how important feats of engineering are accomplished. Tunnels examines the engineering concepts that make these important structures possible. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. An activity, full color photos, a glossary, and a listing of additional resources all enhance the learning experience.

Product Details

ISBN-13:	9781634725903
Publisher:	Cherry Lake Publishing
Publication date:	02/01/2017
Series:	21st Century Junior Library: Extraordinary Engineering Series
Sold by:	Barnes & Noble
Format:	eBook
Pages:	24
Lexile:	470L (what's this?)
File size:	7 MB
Age Range:	8 - 12 Years

Table of Contents

What Are Tunnels? 5

How Do Soft Ground Tunnels Work? 9

How Do Rock Tunnels Work? 13

How Do Underwater Tunnels Work? 17

Try This! 20

Glossary 22

Find Out More 23

Index 24

About the Author 24