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Instructional Video

Khan Academy: How We Proved an Asteroid Wiped Out the Dinosaurs

Curated by ACT

Geologist Walter Alvarez gets to the bottom of a scientific murder mystery. [7:28]

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Concepts
dinosaurs, extinction, fossils
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Additional Tags
forams, iridium, khan academy, khan academy: how we proved an asteroid wiped out the dinosaurs, spherules
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional