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PBS
Why Wasn't There A Second Age of Reptiles?
An asteroid impact triggered the K-Pg mass extinction, wiping out the non-avian dinosaurs, ending the Age of Reptiles, and ushering in the Age of Mammals. But why was it the mammals who triumphed?
Curated Video
Plate Tectonics
2 minute video giving a brief overview of plate tectonics, for middle school science
Incorporated Research Institutions for Seismology
Iris: Thermal Convection: What Are the Forces That Drive Plate Tectonics?
Video introduces mantle convection which is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface. It goes on to explain how the Earth's...