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Whit Plate Tectonics

plate tectonics, earthquakes, volcanoes

TermDefinition
mantle thickest layer of earth made of iron and magnesium
oceanic crust more dense layer of crust that sinks during subduction
pangaea super continent
transform boundary boundary where two plates slide past
convection currents 'bubbling' in the mantle, responsible for making plates move
divergent boundary two plates move away from each other
convergent boundary two plates collide
mountains created when two continental plates collide
mid-ocean ridge created at a divergent boundary and creates new crust
subduction one plate slides under another and crust is destroyed
epicenter point on earth's surface where the earthquake is strongest
focus point inside earth where earthquake begins
magnitude strength of an earthquake
seismic waves earthquake waves that travel outward in all directions
fault crack in earth's crust
earthquakes what happens a lot at transform boundaries
alfred wegner who came up with the theory of continental drift?
ring of fire area of high volcanic and seismic activity in the pacific
hotspot hot area of the mantle that rises up and creates volcanoes and islands
lava what magma is called once it reaches earth's surface
Created by: swhitten
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