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17 Cards in this Set
- Front
- Back
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Uppermost mantle |
Brittle and rigid rock |
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Asthenosphere |
Plastic layer within the mantle |
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Upper mantle |
Solid |
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Lower mantle |
Solid |
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Core |
Center of earth made up of iron |
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Outer core |
Liquid |
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Inner core |
Ball of solid iron |
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Magnetosphere |
Outer part of earths magnetic feild |
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Temp/pressure |
Both increase with depth |
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Earthquake waves |
Three different types of waves |
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Pangea |
Formed the continental drift |
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Fossil clues |
Same fossils found on different continents |
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Rock clues |
Mountain ranges on different continents |
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Seafloor spreading |
New crust forms along a mid ocean ridge |
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Plate tectonics |
Earths surface is made of ridged plates that move |
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Plate boundaries |
Divergent plate boundary |
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Convection currents |
Circulation of a material due to differences in temp and density |
