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6-8 1 dinosaur 1 earth 1 extinction 1 fossil 1 geologic time 1 middle school 1 more ...
6-8 1 dinosaur 1 earth 1 extinction 1 fossil 1 geologic time 1 middle school 1 more ...
1
Published in 2014
Learn how experts joined forces to figure out what happened at the end of the Cretaceous, 66 million years ago. Meet Dr. Kirk Johnson, a paleobotanist and Sant Director of the National Museum of Natural History. While you may know about the extinction of large dinosaurs, you might not realize that...
Grade Level
6
7
8
Teaching Media
Videos or Animations