Compare and contrast these plate boundaries: divergent, convergent, and transform fault. List examples of each
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do your own homework. at least try to make the question not sound like a homework question
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The continental plates do not actually 'drift' as you may think of an ice cube 'drifting' in water. Nor are the plates all connected together like one would view a jigsaw puzzle.\n\nThe first idea you have to realize is that the continental plates overlap each other. The 'outlines' you see that appear jigsaw-like are more often than not areas where two plates meet, and one plate is actually going under  the one next to it- this is called 'subduction'.\n\nWhich plate goes under which plate depends on the age and weight of the plates-- continental crust is lighter than oceanic plate, so more often than not it is the oceanic piece of the plate that will 'subduct'.\n\nThere are areas, however, where the plates do actually meet like a jigsaw puzzle-- these places are known as "Strike-slip" faults, where two plates slide past each other rather than 'subducting'.\n\nAs for the plates moving, that happens due to the upper mantle (the liquid part under the crust) creating convective currents-- these 'currents of mantle material' cause the plates to move and subduct (or slide past each other!)\n\nAnd yes, there are plates where continental crust and continental crust meet. What happens then? More often than not, mountains form-- The Himalayas are a prime example of this situation (the Indian plate smashed into the Asian plate).\n\nThere's more to it, but I hope this helps a little bit!
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beacuse plate tectonics talks about how the plates of the earth move and interact with each other. plate tectonics can explain and help predict how and where earthquakes, volcanos and other geologic phenomena occur.
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Transform boundaries -- where crust of the earth\nis neither produced nor destroyed as the plates slide horizontally past each other
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Patterns of seismic activity along a fault line.\n\nScientists set up seismographs to measure this activity. Movement along faultlines is not uncommon. But we do not usually feel it b/c it is not strong enough. They, however, can detect these slight movements w/ their sensitive equipment.\n\nThere are some other signs as well. An increase in geologic activity near a faultline can give clues. Uplifting of land is one. Increases in geothermal activity may be another.
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look up plate tectonics
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earthquakes ... \nseismic activity ... \n\nand these happen when PLATES move! It's not movement in the rocks that causes earthquakes.  And the dynamics of plate movement is called "plate tectonics".\n\nMoreover, plate tectonics include volcanic behaviour, continental drift, and mountains (making, destrucion, etc)\n\nBut then again, I really don't know what you're trying to ask!
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Divergent Boundaries...\n\nContinental/Continental: rift valleys i.e. East African Rift Valley\n\nOceanic/Oceanic: new crust is being formed on the ocean floor at oceanic ridges. The Mid-Atlantic Ridge is an example. The U.S. moves about 5cm away from Europe each year b/c of this.\n\nConvergent Boundaries...\n\nContinental/Continental: Both are of the same density & both are less dense than the molten material beneath so neither will be subducted. They form folded mountain chains such as the Appalachians of the U.S. & the Alps of Europe.\n\nContinental/Oceanic: Ocean crust is much denser & will be subducted under the continental. Friction from plate movement underneath the crust will cause melt & the crust will thin causing some volcanic mountains to appear.\n\nOceanic/Oceanic: One of the oceanic crusts will be subducted & a trench will be created. Volcanic island arcs are associated w/ this type of boundary.
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The USGS has diagrams of earthquake faults and what they look like during a quake.\n\nThe National Park Service has a good map of the various plates that make up the Earth's crust.
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Fractured crust is the collective term for tectonic plates.
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i think u mean tectonic plate.  tectonic plates are the sections the outer layer of earth is divided into.  there is pressure between the plates, so they sometimes slip and slide and that's how we get earthquakes.  tectonic plates are different sizes.  some only carry one island while others can have a whole continent and part of an ocean!  as for what platonic plates are, i've never heard of them, so i'm sure you mean tectonic plate.
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1) when the plates collide - eg himalayas\n2) when the plates pull apart - eg mid oceanic ridge, it is underwater but still a mountain chain\n3) when one subsides under another, when that plate melts, it can cause a chain of volcanoes, which can also make mountains - pacific rim
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divergent margins = depressurization melting\nconvergent margins = subduction-related partial melting of the overlying mantle wedge through the loss of volatils form the downgoing slab
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East African Rift Zone & Afar triangle aka The Great Rift Valley Fault.\n\nAlpine Fault - New Zealand\n\nNorth Anatolian Fault - Turkey\n\nKego faultline - Japan\n\nRhine Rift & Peel Fault  - Europe
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plate tectonics provides an explanation for the continental drift hypothesis.
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volcanoes and earthquakes (faults)
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Types of plate movement:\nlateral (ie., San Andreas fault in CA) - side by side\nconvergent (ie.,Himalayan Mts.) - pushing together\ndivergent (ie., mid Atlantic Ridge) - pulling apart.\nCheck this site:\n\nhttp://www.northstar.k12.ak.us/schools/joy/denali/DAuria/plate_mvmt.html