Alfred Wegener and Continental Drift Flashcard review

Front

What is the theory of Continental Drift?

Back

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

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NGSS.HS-ESS1-5

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Who proposed the theory of Continental Drift?

Back

Alfred Wegener.

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NGSS.HS-ESS1-5

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What is Landform/Rock Evidence in the context of Continental Drift?

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It refers to the similarity of rock types and ages found on different continents, suggesting they were once connected.

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What does Fossil/Climate Evidence indicate about Continental Drift?

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It shows that the same plant and animal fossils are found on continents that are now separated by oceans.

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Front

What is an example of Fossil Evidence for Continental Drift?

Back

Mesosaurus fossils found in both Africa and South America.

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NGSS.HS-ESS1-5

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What does Glacial Evidence suggest about Africa's past climate?

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It indicates that Africa was once located in a much colder climate, as shown by glacier scars.

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Did Alfred Wegener live to see his theory accepted?

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No, he died before it was widely accepted.

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What is the significance of the shape of continents in Continental Drift?

Back

The shapes of continents, such as how South America and Africa fit together, support the idea that they were once joined.

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NGSS.HS-ESS1-5

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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 can cause continents to drift apart.

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What is the evidence from the ocean floor that supports Continental Drift?

Back

Sea floor spreading, where new oceanic crust is formed and pushes continents apart.

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