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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 mountains |
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What materials make up the lithosphere? |
Crust and the upper part of the mantle. |
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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 lowest density? |
Crust |
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Which layer if the earth is the thickest? |
Mantle |
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Why is the mantle more dense than the crust |
Because density increases the amount of depth |
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List the three layers if in order from the top down |
Crust , mantle , outer core , inner core |
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The process in which the ocean flow sink below a deep ocean trench and back into the mantle? |
Subduction |
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This cause the movement of tectonic plates |
Convection current |
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Where do mountains normally occur |
Convergent boundaries |
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What causes the movement of tectonic plates? |
Convection current |
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What causes the forming of mountains and volcanos along the edges of a continent |
Oceanic plates subduct |
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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 proves the breaking apart of a Pangeas |
Fossil rocks |
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Plates that slide past each other with little or no up or down movement are what boundary |
Transformed |
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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 |
