Theory of Continental Drift Flashcard

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Theory of Continental Drift

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A scientific theory that explains how Earth's continents move over time

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Who proposed the theory of Continental Drift?

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Alfred Wegener

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In what year was the theory of Continental Drift proposed?

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1912

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What does the theory of Continental Drift suggest about continents?

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Continents were once joined together in a supercontinent

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What does the theory of Continental Drift show about the movement of continents?

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Continents slowly drift apart or together over millions of years

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Who was the first person to formally present the continental drift theory?

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Alfred Wegener

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What did Alfred Wegener observe about the continents?

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They seemed to "fit" together

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Why didn't many scientists believe Wegener's ideas at first?

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There was no way to prove the idea back then

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What does the name "Pangaea" mean in Greek?

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All Earth

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Approximately how many years ago did Pangaea exist?

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335-175 million years ago