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Title: The Grand Canyon: Its Youngest Rocks
Url: https://wisconsin.pbslearningmedia.org/resource/ess05.sci.ess.earthsys...
Publisher: WGBH Educational Foundation
Description: This video segment adapted from NOVA shows a dramatic landscape created by relatively recent rock-forming activity in the Grand Canyon. Volcanic eruptions only a million years ago created the canyon's youngest rocks. In contrast with the much older Vishnu Schist formation, this younger rock has been much more susceptible to physical change. When three-hundred-meter (thousand-foot) lava dams periodically blocked the river, they were quickly eroded away and river flow restored. A background essay and list of discussion questions are included.
LC Classification: 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
Science -- Geology -- Dynamic and structural geology
Science -- Geology -- Dynamic and structural geology -- Earth movements. Mass movements
Science -- Geology -- Dynamic and structural geology -- Volcanoes and earthquakes
Science -- Geology -- Study and teaching. Research
GEM Subject: Science -- Earth science
Science -- Instructional issues
Science -- Geology
Social studies -- Geography
Key Concept: Geology -- Rocks
Geography -- Volcanoes and volcanics
Resource Type: Reference Material
Instructional Material
Audio/Visual -- Movie/Animation
Instructional Material -- Lesson/Lesson Plan
Instructional Material -- Interactive Simulation
Instructional Material -- Instructor Guide/Manual
Format: Video -- HTML5
Document -- HTML
Audience: Educator
Learner
Education Level: High School
Middle School
Elementary School
Language: English
Rights: WGBH Educational Foundation
Access Rights: Free access
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Source: DLESE
Full Record Views: 10
Resource URL Clicks: 3
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