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20 Cards in this Set
- Front
- Back
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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 |
Granite and basalt rock |
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The Layer of the mantle below the lithosphere |
Asthenosphere |
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Where it's the thickest layer of the crust located |
Middle |
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What materials make up the lithosphere |
Magma |
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What layer is below the continental crust |
Mantel |
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Of the four layers of earth, which layer is the thinnest and had the lowest density |
Crust |
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Which layer of earth is the thickest |
Mantle |
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Why is the mantel more dense than the crust |
It's deeper down |
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List the Layers of earth in order from the top down |
Crust, mantel, outer core, and inner core |
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The process in which the ocean flow sinks Below a deep ocean trench and back into the mantle |
Subduction zone |
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This causes the movement of tectonic plates |
Convection currents |
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Where do mountains usually occur |
Between two converging continental plates |
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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 |
Crust goes up |
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What type of plate boundary occurs at the " Ring of fire "in the Pacific ocean |
Converging |
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What evidence have scientist collected that proves the breaking apart of pangaea |
Fossils |
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Plates that allow slide past each other with little or no up or down movement |
Transform |
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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 |
Continental drift |
