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16 Cards in this Set
- Front
- Back
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How did fossils have evidence of continental drift?
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Because they (animals/fossils) were all together on one landmass
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Alfred Wegner
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The one who came up with the hypothesis of continental drift.
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Continental Drift
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The hypothesis that states the continents once formed a single landmass, broke up, and drifted to their present location.
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Sea floor Spreading
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The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies.
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Crust
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the thin and solid outermost layer of the Earth above the mantle.
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Mantle
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the layer of rock between the Earth't crust and core
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Lithosphere
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the solid outer layer of the Earth that consists of the crust and the rigid upper part of the mantle.
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Asthenosphere
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the soft later of the mantle on which tectonic plates move.
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Mesosphere
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the strong lower part of the mantle between the asthenosphere and the outer core
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How many major tectonic plates are there?
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10
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How have scientists mapped the Earth's interior?
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Sesmic Waves
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How have scintists been able to directy ovbserve from Earths mantle
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none. they used sesmic waves.
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Continental crust
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nothing
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Oceanic Crust
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Nothing
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Inner Core
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teh solid most thick layer of the Earth.
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Outer Core
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the liquid layer of the Earth
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