Instructional Video

Pbs Learning Media: The Grand Canyon: Evidence of Earth's Past

Curated by ACT

In this video segment adapted from NOVA, a fossil found among the Grand Canyon's rock layers reveals the existence of a shallow sea that once covered most of western North America.

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Additional Tags
earth's history, earth's rock types, grand canyon, grand canyon's layers, pbs learningmedia, teachers' domain, wgbh, igneous rock, metamorphic rock, sedimentary rock
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)