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17 Cards in this Set
- Front
- Back
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The composition of the inner core |
Iron, and nickle |
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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 is located |
Under mountains, and volcanoes |
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What materials make up the lithosphere |
Upper mantle and crust |
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What layer is below the continental crust |
Mantle |
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Of the four 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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Plates that slide past each other with little or no up or down movement are what boundary |
Transform |
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The movement of continents away from each other is called |
Plate Tectonics |
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The process in which the ocean floor sinks below a deep ocean trench and back into the mantle |
Subduction |
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This causes the movement of tectonic plates |
Convection |
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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 the continent |
Oceanic Crust is being subducted |
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What type of plate boundary occurs at the "Ring of Fire" in the Pacific Ocean |
Convergent |
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What evidence have scientists collected that proves that the breaking apart of Pangea |
Same fossils on different continents |
