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20 Cards in this Set
- Front
- Back
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The composition of the inner core |
Nickel and iron |
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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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Wherebis b the thickest layer of crust located |
Under the mountains |
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What materials make up the lithosphere |
Crust and upper mantle |
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What layer is below the continental crust |
Mantleb |
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Of the 4 layers of earth which one is thinnest with 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 from top to down |
Crust mantle inner core outer core |
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The process in which the ocean floor sinks below a deep trench back into the mantle |
Subduction |
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This causes the movement of tectonic plates |
Convection currents |
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Where do mountains usually 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 A CONTINENT |
The subduction of an oceanic plate |
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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 the breaking apart of Pangea |
Fossils, rock layers |
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Plates that slide past each other with little or no up or down movement |
Transform |
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Plates that move away from each other |
Divergent |
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The movement of continents away from each other is called |
Plate tectonics |
