Plate tectonics is a scientific theory describing the large-scale motion of Earth's
Plate tectonics definition, a theory of global tectonics in which the lithosphere is
divided into a number of crustal plates, each of which moves on the plastic ...
Mar 21, 2016 ... Plate tectonics is the theory that Earth's outer shell is divided into several plates
that glide over the mantle.
(used with a sing. verb) A theory that explains the global distribution of geological
phenomena such as seismicity, volcanism, continental drift, and mountain ...
Double-click it to look it up in Merriam-Webster's Student Dictionary. ... The theory
, or idea, of plate tectonics says that Earth's outer layer is made up of large, ...
I. Definition and relevance. Plate tectonics - the theory that the earth's lithosphere
is composed of a mosaic of rigid plates that are in relative motion.
The theory of plate tectonics states that the Earth's surface, the upper mantle and
crust, was once made up of enormous rock plates that broke into smaller pieces ...
Plate tectonics is the scientific theory that attempts to explain the movements of
the Earth's lithosphere that have formed the landscape features we see across ...
5 days ago ... Like any great theory, plate tectonics makes a tremendous amount of sense. ... In
general, what does the theory of plate tectonics explain?
Find information about continental drift and plate-tectonics, along with other facts
about world geography.