Finding the Crater

A mass extinction event caused by an impact usually leaves a crater. Scholars use data from 10 different sites around the world trying to determine where to look for the crater. They use data, listing the amount of various minerals to create a map and narrow down the search. 

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CCSS: Designed
NGSS: Designed
Instructional Ideas

  • Update the estimated age of the mass extinction event to 66 million years ago, instead of the 65 million years ago mentioned in the lesson
  • Pre-teach the common minerals found in asteroids that rarely exist on Earth
Classroom Considerations

  • Relies on prior knowledge of the law of superposition, longitude, latitude, geological timescale, and the Paleogene Period
Pros

  • Offers ideas for using the lesson as a whole class discussion, splitting into small groups and doing stations, or assigning it to individuals
  • Includes differentiation in teaching methods for middle school and high school level courses
Cons

  • None