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Dynamic Crust Part 2: Continental Drift
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Alfred Wegener German Scientist 1880-1930
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Why do some of the continents appear to fit together like puzzle pieces?
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Wegener’s Theory of Continental Drift
The continents were once connected as a massive supercontinent. This huge
landmass eventually broke into pieces which slowly drifted apart over time.
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Wegener’s Theory of Continental Drift
The supercontinent was known as…
It is though to have existed approximately…
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Wegener’s Theory of Continental DriftEvidence that Continental Drift has Occurred
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Evidence #1: The Apparent Fit
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Evidence #2: Fossil Correlation
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Evidence #3: Rock Correlation
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2 Evidence for Continental Drift
SCIENCE EXPLORER Focus on Earth Science © Prentice-Hall, Inc.
Evidence #4: Paleoclimate Data
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Wegener’s theory was not accepted because he offered no mechanism for the motion of the continents.
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Regents Questions Place the blue dot over the correct answer.
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Regents Question #1
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