Looking at Our Changing Earth

Author: Alan Venable

Do you know what’s deep in the ground under your feet?

Layers and layers of different kinds of rock are under the streets and the sidewalks you walk on every day.

• What kinds of rock are down there?
• How did the layers get there?
• How do people see what’s deep down in Earth’s crust?

In this book, you’ll see what rocks are made of and how they are made. And you’ll learn about rock hammers, drills, and other tools that scientists use to study Earth.

What’s the difference between real gold and fool's gold? What are rocks are made of? What tools do scientists use to study the ground under our feet? Find out in this book.

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