Plate Tectonic Theory and Alfred Wegener
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Questions and Answers

Which scientist first proposed the idea of continental drift?

  • Isaac Newton
  • Marie Curie
  • Alfred Wegener (correct)
  • Charles Darwin
  • What was the name of the supercontinent that Alfred Wegener proposed existed?

  • Pangaea (correct)
  • Laurasia
  • Rodinia
  • Gondwana
  • When did Alfred Wegener propose that the continents began to drift apart?

  • Around 100 million years ago
  • Around 1 billion years ago
  • Around 500 million years ago
  • Around 300 million years ago (correct)
  • What was the main issue with Alfred Wegener's theory of continental drift?

    <p>He had no explanation for why the continents moved</p> Signup and view all the answers

    What field of science was Alfred Wegener originally trained in?

    <p>Meteorology</p> Signup and view all the answers

    According to the plate tectonic theory, why do the Earth's continents move?

    <p>Due to gravitational pull</p> Signup and view all the answers

    What evidence did Alfred Wegener use to support his theory of continental drift?

    <p>All of the above</p> Signup and view all the answers

    What was the main criticism of Alfred Wegener's theory of continental drift?

    <p>Inability to explain the mechanism of movement</p> Signup and view all the answers

    What is the name of the theory that grew out of Alfred Wegener's idea of continental drift?

    <p>Plate tectonic theory</p> Signup and view all the answers

    When did Alfred Wegener propose the existence of the supercontinent Pangaea?

    <p>Around 300 million years ago</p> Signup and view all the answers

    Study Notes

    Alfred Wegener and Continental Drift

    • Alfred Wegener first proposed the idea of continental drift in the early 20th century.

    • Pangaea was the name of the supercontinent that Alfred Wegener proposed existed millions of years ago.

    • Wegener proposed that the continents began to drift apart around 200 million years ago.

    • The main criticism of Wegener's theory was the lack of a plausible mechanism to explain how the continents could move.

    • Wegener was originally trained as a meteorologist.

    Plate Tectonics

    • The Earth's continents move due to convection currents in the mantle.

    • Wegener's evidence for continental drift included the matching shapes of coastlines, fossil distribution, and geological similarities across continents.

    • Wegener's theory was heavily criticized due to the lack of understanding of the driving force behind continental movement.

    • The theory of plate tectonics grew out of Wegener's idea of continental drift.

    • Wegener proposed the existence of the supercontinent Pangaea in 1912.

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    Description

    Test your knowledge of plate tectonic theory and Alfred Wegener with this quiz! Learn about the scientific theory that explains the Earth's crust and the landforms it produces. Discover the contributions of Alfred Wegener and his groundbreaking ideas.

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