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19 Cards in this Set
- Front
- Back
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Outer Core |
Liquid layer that creates Earth's magnetic field, 1410 miles |
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Inner Core |
Solid metal sphere, 754 mile radius |
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Lithosphere |
Made of Earth crust and mantle |
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Asthenosphere |
Below Lithosphere |
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Continental Drift |
Theory of Pangaea, all continents were once together |
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Pangaea |
Theory by Alfred Wegner |
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Paleoclimatic Evidence |
Climates preserved in rock |
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Sea Floor Spreading |
Rocks cooling and iron pointing either magnetic north or south |
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Mantle Convection |
Magma moving up to Earth's surface, cooling, then sinking back down |
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Divergent |
Plates move apart |
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Convergent |
Plates move together |
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Subduction |
Plate moves under another |
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Transform Fault |
Plates move past eachother |
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Oceanic to Continental |
Volcanic mountains and trenches |
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Oceanic to Oceanic |
Volcanic islands and trenches |
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Continental to Continental |
Folded mountains |
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What is each of them in order? |
1. Australian 2. North American 3. Juan De Fuca 4. Pacific 5. Phillipene 6. Nazca 7. South American 8. Eurasian 9. Arabian 10. African |
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Evidence of Pangaea |
1. Continental evidence 2. Fossil evidence 3. Rock evidence 4. Paleoclimatic evidence |
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Evidence of Sea Floor Spreading |
1. No rocks younger than 200 million years 2. Magnetic clues |
