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18 Cards in this Set
- Front
- Back
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The composition of the inner core |
Iron and nickel |
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The mai n rocks that make up the oceanic d continental crust are |
Basalt and granite |
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The layer of the mantle below the lithosphere |
Athenosphere |
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Where is the thickest layer of the crust is located |
Under the mountains and volcanoes |
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What layer is below the continental crust |
Mantle |
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List the layers of earth in order from top to bottom |
Crust mantle outer crust inner crust |
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Where do mountains normally occur |
At convergent current |
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What causes the forming mountains and volcanoes along the edge of a continent |
Convergent boundaries |
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type of plate boundary occurs at the Ring of Fire in the Pacific Ocean |
Convergent |
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What have scientists collected that proves the breaking apart of Pangea |
Fossils and rock layers |
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Platesy that slide past each other with little or no up or down movement are what boundaries |
Transformed |
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The movement of continents away from each other is called |
plate tectonics |
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What material makes up the lithosphere |
Upper mantle and crust |
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Of the four layers of earth, which layer is the thinnest and has 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 increase do to depth |
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The process in which the ocean flow sinks below a deep ocean trench and back into the mantle |
Sub duction |
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This cause movement of tectonic plates |
Convection current |
