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The Grand Canyon: How It Formed

Grades: 3-12
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Today, in the deepest part of the Grand Canyon, the Colorado River flows past rocks that are 1.7 billion years old. As described ...

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Accessibility: Auditory, Visual, Caption

Permitted use: Stream, Download and Share

© 2006, © 1992 WGBH Educational Foundation. All Rights Reserved.

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Benchmarks for Science Literacy
NSTA National Science Education Standards


NOVA: "Rafting Through the Grand Canyon"


Adapted from NOVA: "Rafting Through the Grand Canyon." Third party materials courtesy of U.S. Geological Survey, U.S. Department of the Interior, and Jed Schwartz.

Project Credits

Contributor: WGBH Educational Foundation-grayscale

Funder: National Science Foundation-grayscale

Producer: WGBH Educational Foundation-grayscale