Plate tectonics is the theory that Earth's outer layer is made up of plates, which have moved throughout Earth's history. The theory explains the how and why behind mountains, volcanoes ...

The tiny Juan de Fuca plate is largely responsible for the volcanoes ... The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another ...

200 million years ago, the planet looked very different than it did now. Plate tectonics had arranged the world's continents into a single massive landmasses: Pangaea. Today I attempt to use my ...

For more animations from Scotese about tectonic plate motions — past and present — and Earth history, check out his YouTube page. Source: Christopher Scotese Follow Tech Insider: On Facebook ...

To learn why, where, and how earthquakes happen, you need to familiarize your students with the interior of the Earth and a model called plate tectonics. The engine behind the earthquake machine ...