Be Smart
How Does A Canyon Become Grand?
Ah, the Grand Canyon ... ain't it grand? The narrator of a video from PBS Digital Studios explains, in detail, how the Grand Canyon was formed over millions of years.
Fuse School
The Rock Cycle
Aren't all rocks the same? High school earth scientists can say "definitely not!" after viewing the second in a series of seven videos. Beginning with an easy analysis and comparison of sandstone and granite, class members follow the...
Howard Hughes Medical Institute
Continental Movement Over the Past 200 Million Years
Go for a ride on the continental drift. A video animation shows the movement of land over a period of 200 million years. The lesson instructor explains the shift during the animation and gives pupils a unique viewing perspective to...
PBS
Making North America | The Cascadia Subduction Zone
Scientists discovered a rain forest covered in sand and saltwater residue. This led to a collection of core samples and a rather intense prediction for the future of the American Pacific Northwest. Part of a larger series on the story of...
TED-Ed
Why Are Earthquakes so Hard to Predict?
Cell phones to crowdsource vibrations to warn of incoming earthquakes? Detectors to register high levels of radon-thoron isotopes? After detailing the factors that make earthquakes so difficult to predict, the narrator of a fascinating...
Howard Hughes Medical Institute
Holmes' Model of Convection
Convection currents do more than just bake a cake. A quick lesson demonstrates the convection currents of the earth and how they contribute to continental drift. An animation illustrates the movement of the currents and demonstrates how...