Plate Tectonics - Continental Drift

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Who proposed the theory of continental drift?

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Alfred Wegener

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What evidence suggests that Africa was once in a cold climate?

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Glacier scars found in Africa.

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What does the Theory of Continental Drift state?

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All the continents were once one continent that broke up and drifted apart over hundreds of millions of years.

Front

Who is credited with developing the theory of continental drift?

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Alfred Wegener

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What type of scientist was Alfred Wegener?

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Meteorologist

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What is continental drift?

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The movement of the Earth's continents relative to each other.

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What is Pangaea?

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A supercontinent that existed during the late Paleozoic and early Mesozoic eras.

Front

What is the significance of fossil evidence in continental drift?

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Similar fossils found on different continents suggest they were once connected.

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What role do tectonic plates play in continental drift?

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Tectonic plates are large sections of the Earth's crust that move and interact, causing continents to drift.

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What is sea-floor spreading?

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The process by which new oceanic crust is created at mid-ocean ridges and older crust moves away.