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Earth’s Layers

Jason D. Nemeth

出版	The Rosen Publishing Group, Inc, 2012-01-15
主題	Juvenile Nonfiction / Science & Nature / Earth Sciences / Rocks & Minerals
ISBN	14488629659781448862962
URL	http://books.google.com.hk/books?id=0flgEAAAQBAJ&hl=&source=gbs_api
EBook	SAMPLE

註釋

As Earth’s inhabitants, we are pretty familiar with what the planet’s surface looks like, but we seldom get a chance to look beneath Earth’s crust. This captivating book takes a closer look at Earth’s layers from crust to core. The volume discusses how Earth’s layers contribute to the formation of its magnetic field and help fuel volcanic activity. Readers will learn the story of Earth’s formation and come away knowing whether the planet’s core is now growing warmer or cooling off. Fun photographs, useful diagrams, and age-appropriate language make these complex topics comprehensible to the book’s lower-elementary audience.