[DOC] [TLE] plate tectonics facts, information, pictures | Encyclopedia.com ... [PAR] As for shear, this is a kind of stress resulting from equal and opposite forces ... 
The effects of this activity can be seen on the surface in the form of .... As a theory, 
it explains the processes that have shaped Earth in terms of ... of plate tectonics 
in the modern earth sciences; hence, its characterization as the "unifying theory. [DOC] [TLE] plate tectonics | geology | Britannica.com [PAR] Dec 2, 2015 ... Plate tectonics, theory dealing with the dynamics of Earth's outer shell, the ... and 
its adoption represents a true scientific revolution, analogous in its ... As the 
lithospheric plates move across Earth's surface, driven by forces as yet not ..... 
thick oceanic crust (possibly caused by rising mantle plume activity) is... [DOC] [TLE] Plate tectonics - Wikipedia [PAR] Plate tectonics is a scientific theory describing the large-scale motion of 7 large 
plates and the ... Tectonic plates are able to move because the Earth's 
lithosphere has greater ..... The theory revolutionized the Earth sciences, 
explaining a diverse range of geological phenomena and their implications in 
other studies such as... [DOC] [TLE] The Earth: Differentiation and Plate Tectonics [PAR] Chapter 3: The Earth: Differentiation & Plate Tectonics ... various layers (density, 
velocity of sound) are largely due to seismic studies. ... This kind of "unmixing" or 
segregation is often described as differentiation by geologists, and differentiation 
caused ... 3) the driving force behind plate tectonics is convection in the mantle [DOC] [TLE] Geology: Earth Science, Surface Features, Plate Tectonics ... [PAR] Geology means, literally, the study of the Earth. Explore this section to 
understand the structure of the Earth and its surface features, what causes 
earthquakes... [DOC] [TLE] Plate Tectonics - Tulane University [PAR] Aug 26, 2015 ... Plate Tectonics is a theory developed in the late 1960s, to explain how the ... The 
theory has caused a revolution in the way we think about the Earth. ... proven to 
be so useful that it can predict geologic events and explain almost ... In 1950s 
and 1960s, studies of the Earth's magnetic field and how it varied... [DOC] [TLE] Geology - Science World - Scholastic [PAR] The major and minor plates outlined on the map above move very slowly in the ... 
Geology is the science that studies the Earth's rocks, minerals, and fossils and ... 
He also suggested that wind, rain, and other forces could erode them, .... The 
geologic activity caused by the movements of these plates is called plate 
tectonics. [DOC] [TLE] The Forces that Change the Face of Earth  Earth's Changing Surface [PAR] Volcanic activity and earthquakes alter the landscape in a dramatic and often 
violent manner. And on a much longer timescale, the movement of earth's plates 
slowly ... The intense pressure at the base of the glacier causes some of the ice to 
melt, ... Plate tectonics provides scientists with a great deal of information about 
the... [DOC] [TLE] The Engine that Drives Earth : Oceanus Magazine [PAR] Jan 30, 2004 ... Great tectonic plates are in constant motion at Earth's surface. ... powers your car, 
geologists need to look deep within Earth's interior to understand the tremendous 
underlying forces that build and shape Earth's surface. ... These two sources of 
heat warm Earth's mantle and cause it to rise and sink, much... [DOC] [TLE] Historical perspective [This Dynamic Earth, USGS] [PAR] Aug 7, 2012 ... In geologic terms, a plate is a large, rigid slab of solid rock. ... The theory has 
unified the study of the Earth by drawing together many branches of the earth 
sciences, ... What causes the ground to shake violently, volcanoes to erupt with 
explosive force, and great mountain ranges to rise to incredible heights? [DOC] [TLE] Plate driving forces and stress - University of Michigan [PAR] "In science a phenomenon or a hypothesis can become so familiar and its utility 
in ... mantle convection and the activity of mantle plumes dominate the driving 
forces of plate motion, ... The Active Forces Involved in

Question: This geological science studies the forces within the Earth that cause plate activity
Answer: tectonics