Get Free Access for 10 Days!
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.

3 Views 1 Download
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
Show More Show Less
Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)