Showing 1-3 of 3 Resources
Film GuideThe following classroom-ready resources complement the film Popped Secret: The Mysterious Origin of Corn, which tells the story of how geneticists and archaeologists have come together to determine how and where corn was domesticated nearly 9,000 years ago. Also available in Spanish.
Scientists at Work(9 min 15 sec) Prehistoric extinction rates are calculated from fossil data in a paleodatabase and compared to today’s extinction rate.
ActivityA lesson in which students calculate the mass, size, and kinetic energy of the K-T asteroid based on the total abundance of iridium in the K-T boundary layer.
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