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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 |
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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 mountains |
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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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Why is the mantle more dense than the crust |
Density increases with depth |
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List the layers of Earth in order from the top down |
Crust, mantle, outer core, 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 |
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This causes the movement of tectonics plates |
Convection current |
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Where do mountains normally occur |
Convergent boundary |
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What causes the movement of tectonic plates |
Convection current |
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What causes the forming of mountains and volcanoes along the edge of a continent |
Subduction of a Oceanic plate |
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What type of plate boundary occurs at the "Ring of Fire" in the Pacific Ocean |
Convergent boundary |
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What evidence have scientists collected that proves the breaking apart of Pangaea |
Fossils and rock layers |
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Plates that slide past each other with little or no up or down movement are what boundary |
Transform boundary |
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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 |
