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Matching Game & Flash Cards for Earth Science CAAP
Terms in this set (17)
the rigid outer part of the earth, consisting of all crust and a little upper mantle.
heated material in the mantle becomes less dense and rises, cooler material becomes denser and sinks.
plate tectonic theory
the theory that the lithosphere is broken up into large plates that move and then rejoin
middle layer of earth where convection currents occur
rock that forms from the cooling and hardening of magma/lava on or below earth's surface.
rock that forms from tremendous pressure and/or heat
rock formed when rock fragments and remains of living things are compacted and cemented together (under water).
A plate boundary where two plates move past each other in opposite directions (can cause earthquakes).
when oceanic crust sinks beneath continental crust and back into the mantle at a CONVERGENT plate boundary.
a tectonic plate boundary where two plates crash into each other (can cause subduction, build mountains, or cause volcanoes)
A plate boundary where two plates move away from each other. (Ex: Mid-atlantic ridge)
geologic time scale
a manmade method used to divide the Earth's long natural history into manageable parts
the study of Earth's processes, history, and changes in Earth's features
a diagram that describes the 3 main types of rocks and how they form
marine fossils on mountaintops
evidence that supports that the mountaintop was once an ocean floor that was pushed up by geologic forces.
the principle that states that younger rock layers are on top of older layers
the area where the edge of a plate can interact with another
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