1
By TED-Ed
Published in 2015
Tens of millions of years ago, plate tectonics set North and South America on an unavoidable collision course that would change the face of the Earth and spell life or death for thousands of species. Juan D. Carrillo explains the massive biological repercussions of this collision, which caused one...
Grade Level   5 6 7 8 9 10 11 12
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2
By TED-Ed
Published in 2015
Earthquakes have always been a terrifying phenomenon, and they’ve become more deadly as our cities have grown — with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake? And how can it be prevented? Vicki V. May explains the physics of why it is...
Grade Level   6 7 8 9 10 11 12
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3
By TED-Ed
Published in 2016
At 8,850 meters above sea level, Qomolangma, also known as Mount Everest, has the highest altitude on the planet. But how did this towering formation get so tall? Michele Koppe peers deep into our planet's crust, where continental plates collede, to find the answer.
Grade Level   3 4 5 6 7 8 9 10 11 12
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