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Earth Science in Action - Land Formation (VIDEO)
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Earth Science in Action - Land Formation (VIDEO)The Earth is filled with a diverse variety of land formations - from mountains to valleys, canyons to plains. But what's the difference between a folded and a block mountain? A mesa and a butte? A bay and a peninsula? In Land Formations, students learn the answers to these and other questions as they examine how forces such as weathering and continental drift have impacted the rise and fall of land on the Earth.


Junior Grades (4-6), Intermediate Grades (7-8) (JI)

 
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Tags: forces, Grades, Earth, sinking, ridges, Grades, weathering, continental, forces
The Extreme Earth - Ocean Ridges And Trenches
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The Extreme Earth - Ocean Ridges And Trenches"Ocean Ridges and Trenches" immerses readers in the mysteries of the world's sea floors, from the surprising creatures of the Galapagos Rift to the devastating tsunamis of the Java Trench. This new volume in "The Extreme Earth" set reveals how 10 undersea mountain ranges and valleys came to be, how and why it has changed over the span of geologic time, and its contributions to the environment. The ridges and trenches covered span the Mariana Trench, the deepest point in the ocean, and the San Andreas Fault, site of many of California's earthquakes. Each chapter provides illuminating material on environmental challenges and expert reports on science in action, with details on field studies conducted at each sea-floor site. Additional articles cover related high-interest topics, such as giant squids, magnetic fields, and plate tectonics. This book is supported with photographs and line illustrations, a glossary of scientific terms, and suggestions for finding further information.

 
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Tags: Extreme, Trench, Trenches, Ridges, seafloor, Earth