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Resource Type
Description
This activity explores the research described in the short film The Day the Mesozoic Died. The film traces the uncovering of key clues revealing that an asteroid struck Earth 66 million years ago, triggering a mass extinction.
The Day the Mesozoic Died and this supporting activity can be used in several science classes, as it presents a stellar example of many different disciplines (geology, physics, biology, chemistry, and paleontology) contributing to a compelling hypothesis.
The “Student Handout” probes students’ understanding of the key concepts addressed in the film. The “Educator Materials” document provides suggested pause points in the film with questions for students, background information, and detailed discussion points; a list of related resources and references; and an answer key for the “Student Handout.”
The “Resource Google Folder” link directs to a Google Drive folder of resource documents in the Google Docs format. Not all downloadable documents for the resource may be available in this format. The Google Drive folder is set as “View Only”; to save a copy of a document in this folder to your Google Drive, open that document, then select File → “Make a copy.” These documents can be copied, modified, and distributed online following the Terms of Use listed in the “Details” section below, including crediting BioInteractive.
Student Learning Targets
- Explain how evidence collected from multiple sources and disciplines support the hypothesis that an asteroid triggered the Cretaceous-Tertiary mass extinction.
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Key Terms
asteroid, Cretaceous period, dinosaur, foraminifera, K-T boundary, mass extinction, Paleogene period, Tertiary period
Primary Literature
Alvarez, Luis W., Walter Alvarez, Frank Asaro, and Helen V. Michel. “Extraterrestrial cause for the Cretaceous-Tertiary extinction.” Science 208, 4448 (1980): 1095–1108. https://doi.org/10.1126/science.208.4448.1095. To access this article, set up a free AAAS account.
Smit, J., and J. Hertogen. “An extraterrestrial event at the Cretaceous-Tertiary boundary.” Nature 285, 5762 (1980): 198–200. https://doi.org/10.1038/285198a0.
Terms of Use
Please see the Terms of Use for information on how this resource can be used.
Version History
NGSS (2013)
HS-LS4-5, HS-ESS1-6; SEP6
AP Biology (2019)
EVO-1.M, EVO-1.N, EVO-3.G, EVO-3.J, ENE-4.B, SYI-2.C; SP1
IB Biology (2016)
5.1
AP Environmental Science (2020)
Topic(s): 2.3, 2.6
Learning Objectives & Practices: ERT-2.E, ERT-2.H, SP2, SP4, SP5
IB Environmental Systems and Societies (2017)
3.2
Common Core (2010)
ELA.RST.9-12.2, ELA.WHST.9-12.9
Vision and Change (2009)
CC1, CC5; DP1