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Title: Plate Tectonics: Further Evidence
Url: https://wisconsin.pbslearningmedia.org/resource/ess05.sci.ess.earthsys...
Publisher: WGBH Educational Foundation
Description: Early evidence showing striking similarities between regions on opposite sides of vast oceans suggested that in Earth's distant past what are now separate continents may once have been connected. However, this evidence said nothing about how the continents could have moved to their present positions. This video shows how seafloor spreading creates new oceanic crust and how the crust is destroyed by subduction into Earth's mantle, providing the mechanism and forces that propel tectonic plates across Earth's surface. The segment is two minutes nine seconds in length.
LC Classification: Geography. Anthropology. Recreation -- Oceanography
Science -- Geology -- Dynamic and structural geology -- Continental drift
Science -- Geology -- Dynamic and structural geology -- Plate tectonics
Science -- Geology -- Study and teaching. Research
GEM Subject: Science -- Oceanography
Science -- Earth science
Science -- Instructional issues
Science -- Geology
Key Concept: Geology -- Plate tectonics
Oceanography -- Plate tectonics
Geography -- Continental drift
Resource Type: Reference Material
Instructional Material
Audio/Visual -- Movie/Animation
Format: Image -- JPEG
Video -- HTML5
Document -- HTML
Video -- Quicktime
Audience: Educator
Education Level: High School
Higher Education
Higher Education -- Undergraduate (Lower Division)
Language: English
Rights: WGBH Educational Foundation
Access Rights: Free access
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Source: DLESE
Full Record Views: 20
Resource URL Clicks: 13
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