Continental Drift

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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 called Pangaea.

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What is Pangaea?

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A supercontinent that existed around 200-300 million years ago, where all continents were joined together.

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What evidence supports the theory of Continental Drift?

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Fossils and rocks found on different continents that are similar, indicating they were once connected.

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What are fossilized organisms?

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Remains or traces of ancient living things preserved in rock, used as evidence for Continental Drift.

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How do glacial grooves support Continental Drift?

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Glacial grooves found on different continents suggest they were once part of the same ice sheet.

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What is the significance of the same plant and animal fossils found on different continents?

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It indicates that continents were once connected, allowing species to inhabit a larger area.

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Who proposed the theory of Continental Drift?

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Alfred Wegener, a German meteorologist and geophysicist.

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What is the shape evidence for Continental Drift?

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The observation that continents like South America and Africa fit together like puzzle pieces.

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What is the age range for the existence of Pangaea?

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200-300 million years ago.

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What is the role of tectonic plates in Continental Drift?

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Tectonic plates are large sections of the Earth's crust that move and can cause continents to drift apart.