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 Drift
Evidence 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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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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Regents Question #2
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Regents Question #2
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