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Plate Tectonics: An Introduction

Grades: 6-12
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In the early 1900s, most geologists thought that Earth's appearance, including the arrangement of the continents, had changed little since its formation. This ...

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©2006,© 1994 WGBH Educational Foundation. All rights reserved.

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Source: Discovering Women: "Earth Explorer"

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Adapted from Discovering Women: "Earth Explorer". A Production of Middlemarch Films, Inc. for WGBH. Animation courtesy of Michael Saz. Music courtesy of Richard Einhorn.


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