Discover the flexibility to teach science your way The Changing Surface of Earth, as a part of the Glencoe Science 15-Book Series, provides students with accurate and comprehensive coverage of weathering and erosion as it shapes Earth’s surface. The strong content coverage integrates a wide range of hands-on experiences, critical-thinking opportunities, and real-world applications. The modular approach allows you to mix and match books to meet your curricula.
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i-01-LBG-861752 8/23/04 11:18 AM Page i Jack Dykinga/Getty Images i-01-LBG-861752 8/23/04 11:18 AM Page ii The Changing Surface of Earth Fly Geyser, Nevada is a human-made drill well, which is now a constantly spouting hotspring. It is located in the Black Rock Desert, near Gerlach, Nevada. The tufa terraces, or “natural steps,” are formed by mineral deposits from the springs. Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright Act, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without prior written permission of the publisher. The National Geographic features were designed and developed by the National Geographic Society’s Education Division. Copyright © National Geographic Society.The name “National Geographic Society” and the Yellow Border Rectangle are trademarks of the Society, and their use, without prior written permission, is strictly prohibited. The “Science and Society” and the “Science and History” features that appear in this book were designed and developed by TIME School Publishing, a division of TIME Magazine.TIME and the red border are trademarks of Time Inc. All rights reserved. Send all inquiries to: Glencoe/McGraw-Hill 8787 Orion P