The restless earth

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crust
the outer layer of the earth
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plate
a section of earth's crust
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plate margin
the boundary where two plates meet
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mantle
the dense, mostly solid layer of the earth between the outer core and the crust
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convection currents
the circular currents of heat in the mantle
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destructive plate margin
two plates are moving toward each other resulting in one plate sinking beneath each other
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constructive plate margin
two plates are moving apart
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continential plate
tectonic plate made of low density that will not sink under another plate
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oceanic plate
tectonic plate made of dense that forms oceanic floor
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subduction
when oceanic crust sinks under continential crust at destructive plate margin
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volcano
an opening in the earth's crust through which goes lava and gases
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conservative plate margin
plate margin where two plates are sliding alongside each other
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fold mountains
large mountain ranges where rock layers have been crumpled as they have been forced together
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ocean trenches
deep sections of the ocean
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composite volcano
steep - slide volcano thats made from ash and lava
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shield volcano
a broad volcano that is mostly made up of lava
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supervolcano
mega colossal volcano that erupts at least 1,000 km3 of material
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geothermal
water that is heated under the ground
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hot spot
a section of the earh's crust where plumps of magma rise.
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tsunami
spechial type of wave where an event, often eathquake.
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Other cards in this set

Card 2

Front

a section of earth's crust

Back

plate

Card 3

Front

the boundary where two plates meet

Back

Preview of the back of card 3

Card 4

Front

the dense, mostly solid layer of the earth between the outer core and the crust

Back

Preview of the back of card 4

Card 5

Front

the circular currents of heat in the mantle

Back

Preview of the back of card 5
View more cards

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