Continental Drift

Front

What is Continental Drift?

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The theory that continents have moved over geological time and were once joined together in a single landmass.

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Who proposed the theory of Continental Drift?

Back

Alfred Wegener in 1912.

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What evidence did Wegener use to support his theory?

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Fossil remains, geological formations, and the fit of continental coastlines.

Front

What is the significance of the fossil Cynognathus in relation to Continental Drift?

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It indicates that South America was once connected to Africa.

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What does the fossil Mesosaurus suggest about the continents?

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It suggests that Africa and South America were once connected.

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What does the fossil Lystrosaurus indicate about the connection between continents?

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It indicates that Africa was once connected to India and Antarctica.

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What is the GPS Velocity Vector Map used for?

Back

To track the movement of tectonic plates and continents.

Front

In which direction is Australia moving according to the GPS Velocity Vector Map?

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North East.

Front

What is Pangaea?

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A supercontinent that existed during the late Paleozoic and early Mesozoic eras, where all continents were joined.

Front

What role do tectonic plates play in Continental Drift?

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They are the large sections of the Earth's crust that move and shift, causing continents to drift.