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Title: The Grand Canyon: How It Formed
Url: http://wimedialab.pbslearningmedia.org/resource/ess05.sci.ess.earthsy...
Publisher: WGBH Educational Foundation
Description: Today, in the deepest part of the Grand Canyon, the Colorado River flows past rocks that are 1.7 billion years old. This video describes how the river cut vertically through layers of pre-existing rock as the plateau beneath it was uplifted by tectonic forces. It also explains that other forces worked to widen the canyon, particluarly the activity of tributary streams and debris flows caused by flash flooding from intense rainfall or rapid snowmelt moving loose rock and boulders down canyon walls and side channels. A background essay and list of discussion questions are also provided.
LC Classification: Bibliography. Library science. Information resources (General) -- Subject bibliography -- Education -- Special disciplines and subjects, A-Z -- Earth sciences
Geography. Anthropology. Recreation -- Atlases -- By region or country -- America. Western Hemisphere -- North America -- United States -- The West -- Pacific and Mountain States. Far West -- Southwestern States -- New Southwest -- Arizona
Geography. Anthropology. Recreation -- Geography (General) -- Study and teaching. Research
History (America) -- United States local history -- The New Southwest. Southwestern States -- Colorado River, Canyon, and Valley
Science -- Geology -- Study and teaching. Research
GEM Subject: Science -- Earth science
Science -- Instructional issues
Science -- Geology
Social studies -- Geography
Key Concept: Geology
Geography -- Landforms
Key Concepts Complete: Yes
Resource Type: Instructional Materials
InteractiveResource (DCMI Type Vocabulary)
Lesson Plans
MovingImage (DCMI Type Vocabulary)
Reading Materials
Reference
Teaching Guides
Text (DCMI Type Vocabulary)
Format: html
Audience: Elementary School Teachers
Middle School Teachers
Primary Education
Secondary Education
Students
Teachers
Language: English
Rights: WGBH Educational Foundation
Access Rights: Free access
Subject: earth science
Education (General)
Geography
Geology
Hydrology
Physical geography
Physical sciences
science
Date Of Record Release: 2011-02-23 03:00:04 (W3C-DTF)
Date Last Modified: 2013-11-12 13:47:21 (W3C-DTF)
Source: DLESE  DLESE
Full Record Views: 60
Resource URL Clicks: 6
Cumulative Rating: NOT YET RATED
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