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17 Cards in this Set
- Front
- Back
The composition of the Inner core |
Iron and nickel |
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The main rocks that make up the oceanic and Continental crust are |
Basalt and granite |
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The layer of the mantle below the lithosphere |
Asthenosphere |
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Where is the thickest layer of the crust located |
Under the mountain |
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What layer below the continental crust |
Mantle |
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Od the 4 layers of Earth, which layer is the thinnest and has the lowest density |
Crust |
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Which layer of Earth is the thickest |
Mantle |
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Why is the mantle more dense than the crust |
Density increases with depth due to pressure |
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List the layers of Earth in order from the top down |
Crust, mantle, inner core, outer core |
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The process in which the ocean flow sinks below a deep ocean trench and back into the mantle |
Subduction |
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This causes the movement of tectonic plates |
Convection currents |
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Where do mountains normally occur |
Convergent boundaries |
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What causes the movement of tectonic plates |
Convection currents |
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What causes the forming of mountains and volcanoes along the edge of a continent |
Convergent |
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What evidence have scientists collected that proves the breaking away from pangea |
Fossils and rocks |
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Plates that move away from each other are what kind of boundary |
Divergent |
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The movement of continents away from each other is called |
Plate tectonics |