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The outside layer of our planet is an active place. Earth's crust is always growing and changing. But do you know how Earth's crust forms? And what happens when its plates shift suddenly? Find out more about the moves that make mountains and ocean ridges in this interesting book!
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This fascinating book explains how the shape of Earth is changed by weathering and erosion - the breaking down of rocks and minerals which are then carried from one place to another by water, ice, wind, and gravity. It is this movement that carves out valleys, causes trees to topple over, and creates or destroys good farmland. Examples of changes to landforms help show young readers the effects of weathering and erosion, which can happen quickly or...
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"Combining history, popular science, and in-depth reporting, here is a fascinating account of asteroids and other space objects that hit Earth long ago and those streaming toward us even now--as well as a look at the preparations humanity is making against asteroid-caused catastrophe. Journalist Gordon L. Dillow examines what a small but dedicated group of astronomers have long known--that someday Earth will be hit by an asteroid or comet of potentially...
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Albert Lin seeks out the truth behind two great stories of the Bible. Could real events lie behind the parting of the Red Sea and the destruction of Sodom and Gomorrah? To solve these mysteries Albert will use satellites and space age technology to look beneath the earth's surface to reveal secrets that have been buried for thousands of years.
7) Earth
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Introduces the various kinds of rocks found on Earth and their uses.
10) Rocks and soil
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Discusses the composition of different kinds of soils and rocks, the surface features of the earth, and the purposes and techniques of mining and excavation.
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"From the clouds way up above us to the liquid core miles beneath our feet, there are so many amazing things about Earth. See what makes our home planet so special with this introduction to Earth for ages 3 to 5. Explore the continents, how weather works, the important jobs of trees and plants, and so much more!"--Back cover.
17) Landforms
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Earth's surface is always changing. Landforms such as mountains, valleys, plains, and plateaus are made by natural forces. These natural forces, whether earthquakes, volcanoes, wind, or rain, wear down and reshape Earth's landforms over a period of time. Some landforms are only a few hours old, while others are a million years old.
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