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16 Cards in this Set
- Front
- Back
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fault |
a crack in the crust |
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rift valley |
a place in the crust where 2 plates went away from each other and there is an indent |
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transform bounday |
when 2 convection currents turn in a way that makes the plates grind on each other |
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divergent boundary |
when 2 convection currents turn away from each other |
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sea floor spreading |
a process in which old and new magma is added to the floor |
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plate tectonics |
a theory of global tectonics in which the lithosphere is divided in numeral crustal plates |
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plates |
allows the continents to move |
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lithoshpere |
part of the earth that consist of the curst and the uppermost part of the mantle |
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athensophere |
a part of the earth that consists of the rest of the mantle |
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deep ocean trenches |
a trench that occurs when subduction happens |
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mid ocean ridges |
a under water mountain range that allows sea floor spreading |
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subduction |
a process that makes oceanic crust go under continental crust |
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continental crust |
crust that is on top of a landmass |
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oceanic crust |
crust that is on top of water |
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folding |
when 2 plates converge and create mountains |
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convergent boundary |
when 2 convection currents turn towards each other |
