Layers of the Earth

Layers of the Earth

by Ellen Prager


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Earth is made of several layers, each with its own unique characteristics and processes that make it a vital part of the planet. The solid inner core, for example, is the farthest layer from the planet's surface, yet it provides much of the heat needed to fuel such dramatic surface phenomena as volcanoes and earthquakes. Likewise, the outer core generates a magnetic field that protects the planet from harmful particles in space. In Layers of the Earth, learn how scientists use tools such as seismology, geodesy, computer modeling, and global positioning systems to study the workings of the inner Earth.

Product Details

ISBN-13: 9780791097069
Publisher: Chelsea House Publishers
Publication date: 02/01/2009
Series: Restless Earth Series
Pages: 104
Product dimensions: 7.10(w) x 9.40(h) x 0.50(d)
Age Range: 10 - 14 Years

Table of Contents

1 The Dynamic Earth 7

2 The Crust 18

3 The Upper Mantle 29

4 The Lower Mantle 44

5 The Outer Core 59

6 The Inner Core 69

7 Studying the Earth 78

Glossary 88

Bibliography 93

Further Reading 97

Photo Credits 99

Index 100

About the Author 104

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