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Title: Plate Tectonics: Further Evidence
Url: http://www.teachersdomain.org/resource/ess05.sci.ess.earthsys.wegener...
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
Key Concepts Complete: Yes
Resource Type: Instructional Materials
MovingImage (DCMI Type Vocabulary)
Reading Materials
Science Materials
Format: html
jpeg
quicktime
Audience: College/University Instructors
Higher Education
Secondary Education
Teachers
University First Cycle
Language: English
Rights: WGBH Educational Foundation
Access Rights: Free access
Subject: Astronomy
earth science
Education (General)
Geology
Physical sciences
science
Space sciences
Date Of Record Release: 2011-10-14 03:00:02 (W3C-DTF)
Date Last Modified: 2010-08-23 13:07:27 (W3C-DTF)
Source: DLESE  DLESE
Full Record Views: 124
Resource URL Clicks: 17
Cumulative Rating: NOT YET RATED
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