Restless Earth

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  • Created by: kritina
  • Created on: 05-05-16 08:49
What is a crust?
Crust is the outer layer of the earth
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What is a plate?
Plate is a section of the earth's crust.
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What is a plate margin?
Plate margin is the boundary where teo plates meet.
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What is a mantle?
Mantle is the dense,mostly solid layer of the earth between the outer core and the crust.
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What is a convection currents?
Convection currents is the circular currents of the heat in the mantle.
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What is a destructive plate margin?
Destructive plate margin is a plate margin where two plates are moving towards each other resulting in one place sinking beneath the other.
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What is a constructive plate margin?
Constructive plate margin is a plate margin where two plates are moving apart.
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What is a continental plate?
Continental plate is a tectonic plate made of low density continental rock that will not sink under another plate.
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What is a oceanic plate?
Oceanic plate is a tectonic plate made of dense ironrich rock that frorms the ocean floor.
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What is a subduction?
Subduction is when oceanic crust sinks under continental crust at a destructive margin.
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What is a collision?
Collision is when two plates of continental crust meet 'head on' and buckle.
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What is a volcano?
Volcanois an opening in the earth's crust through which molten lava, ash and gagses are ejected.
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What is a conservation plate marign?
Conservative plate margin is a plate margin where two plates are sliding alongside each other.
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What is an earthquake?
Earthquake is a sudden and often violent shift in the rocks forming the earth's crust, which is felt at the surface.
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What is a fold mountains?
Fold mountains are large mountain ranges where rock layers have been crumpled as they have been forced together.
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What is ocen trenches?
Ocean trenches is a deep sections of the ocean, usually where an oceanic plate is sinking below a continental plate.
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What is a composite volcano?
Composite volcano is a steep-sided volcano that is made up of a variety of materials, such as lava and ash.
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What is a shield volcano?
Shield volcano is a broad volcano that is mostly made up of lava.
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What is a subsistence?
Subsistence is a farming to provide food and other resources for the farmer's own family.
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What is a terraces?
Terraces is a steps cut into hillsides to create areas of flat land.
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What is a irrigation?
Irrigation is a artificial watering of the land.
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What is a hydroelectric power?
Hydroelectric power ius
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Other cards in this set

Card 2

Front

What is a plate?

Back

Plate is a section of the earth's crust.

Card 3

Front

What is a plate margin?

Back

Preview of the front of card 3

Card 4

Front

What is a mantle?

Back

Preview of the front of card 4

Card 5

Front

What is a convection currents?

Back

Preview of the front of card 5
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