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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
These three things provided Wengner with support for his continental drift theory |
Fossils, Rocks, Climate |
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Located at the mid-ocean ridges I'm giving us evidence of sea spreading |
The youngest rocks |
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The transfer of what energy inside Earth moves Plates? |
Heat |
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Alfred Wegener |
First to suggest all continents were joined in the past (Pangea) |
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Harry Hess |
Had theory about seafloor spreading |
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Earth's crust and mantle are broken into sections called? |
Plates |
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How are mountains formed? |
By one continental plate colliding with another continental plate |
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New Ocean Crust is formed at a |
Mid-Ocean Ridge |
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When two continental plates move apart what can form? |
A Rift Valley |
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A Rift Valley can form where two continental plates are....? |
Moving apart |
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Continental Drift |
Hypothesis of continents moving slowly |
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Pangea |
All continents might have once been connected in a large landmass |
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Convection Current |
The cycle of heating, rising, cooling, and sinking |
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Mantle |
Just below Earths Crust |
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Lithosphere |
Crust and part of the upper mantle |
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Asthenosphere |
Plastic like layer of Earth's surface |
Continental Plates move on this |
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Seafloor Spreading |
Hot magma forced upward at mid-ocean ridges |
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Plates |
Sections of Earth's crust and part of the upper mantle |
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Plate Tectonics |
Theory that Earth's crust and upper mantle are in sections that move |
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