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Plate tectonics is the study of how the Earth's plates are driven and shaped by geological forces that keep them in constant motion.
The outermost crust of the Earth is cracked into several large pieces called plates that average 50 miles thick. These plates float on a partially molten mantle beneath.

Plate tectonics - Wikipedia

en.wikipedia.org/wiki/Plate_tectonics

Plate tectonics is a scientific theory describing the large-scale motion of 7 large plates and the movements of a larger number of smaller plates of the Earth's ...

What is Plate Tectonics? | Plate Tectonics - Live Science

www.livescience.com/37706-what-is-plate-tectonics.html

Mar 21, 2016 ... Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.

Plate Tectonics

www.ucmp.berkeley.edu/geology/tectonics.html

Interesting animations of plate tectonics movement. Including gif, avi and mov formats.

Earth Floor: Plate Tectonics - Classroom of the Future

www.cotf.edu/ete/modules/msese/earthsysflr/plates1.html

Full and clear information about Plate Tectonics: Convergent Boundaries, Divergent Boundaries, Transform Boundaries.

Earth's Continental Plates - ZoomSchool.com - Enchanted Learning

www.enchantedlearning.com/subjects/astronomy/planets/earth/Continents.shtml

All About Plate Tectonics: Earth's Plates and Continental Drift. The Earth's rocky outer crust solidified billions of years ago, soon after the Earth formed. This crust  ...

Interactives . Dynamic Earth . Plate Tectonics - Annenberg Learner

www.learner.org/interactives/dynamicearth/drift.html

Intro | Earth's Structure | Plate Tectonics | Plates & Boundaries | Slip, Slide, & Collide | Test Skills. Plate Tectonics. Image credits: Adapted from illustrations by ...

plate tectonics | geology | Britannica.com

www.britannica.com/science/plate-tectonics

Dec 2, 2015 ... The concept of plate tectonics was formulated in the 1960s. According to the theory, Earth has a rigid outer layer, known as the lithosphere, ...

A Science Odyssey: You Try It: Plate Tectonics - PBS

www.pbs.org/wgbh/aso/tryit/tectonics/

A hands-on exercise about plate tectonics and earthquakes from PBS. Requires Shockwave plug-in.

Plate Tectonics, Tectonic Plates Information, Facts, News, Photos ...

science.nationalgeographic.com/science/earth/the-dynamic-earth/plate-tectonics-article/

Get information, facts, photos, news, videos, and more about plate tectonics from National Geographic.