Layers of the Earth

Overview

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, ...
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Overview

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.
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Editorial Reviews

Children's Literature - Denise Daley
Intended for young adults, this book provides in-depth information on the Earth and its layers. The top layer of the Earth consists of either oceanic or continental crust. Immediately below this is the upper mantle, which is followed by the lower mantle. Finally, deep in the center of the Earth, there is the outer core followed by the inner core. In order to better understand how changes in the Earth's crust can cause, for example, earthquakes and volcanoes, an individual must first know how Earth was formed and how the Earth's layers continually change. This book contains a chapter on each of the Earth's layers. Each chapter describes the layer's thickness, ingredients, and age, as well as other detailed information. This book also explains how scientists are using technology such as seismology, computer modeling, and global positioning systems to expand their current knowledge and to make more discoveries about our planet. Just about every other page has a colorful chart or diagram that helps the reader to better understand the concept that is being explained. This book is part of the "The Restless Earth" series. Reviewer: Denise Daley
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Product Details

  • ISBN-13: 9780791097069
  • Publisher: Chelsea House Publishers
  • Publication date: 2/1/2009
  • Series: Restless Earth Series
  • Pages: 104
  • Age range: 10 - 14 Years
  • Product dimensions: 7.10 (w) x 9.40 (h) x 0.50 (d)

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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