by Virginia Loh-Hagan


View All Available Formats & Editions


The 21st Century Junior Library introduces young readers to important core content. Simple activities encourage students to Look, Think, Make a Guess, Ask Questions, and Create. The combination of reading and inquiring helps them develop the skills needed to master content and learn and succeed in the 21st century.

Product Details

ISBN-13: 9781634722957
Publisher: Cherry Lake Publishing
Publication date: 01/28/2017
Series: 21st Century Junior Library: Extraordinary Engineering Series
Pages: 24
Product dimensions: 7.10(w) x 9.30(h) x 0.40(d)
Age Range: 8 - 12 Years

Table of Contents

What are Dams? 5

How Do Buttresses Push Bock on Water? 9

How Does Gravity Push Back on Water? 13

How Do Arches Push Back on Water? 17

Try This! 20

Glossary 22

Find Out More 23

Index 24

About the Author 24

Customer Reviews