Alfred Wegener and Continental Drift
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Questions and Answers

What observations led Alfred Wegener to propose the idea of continental drift?

  • The continents seemed to be expanding
  • The continents appeared to be sinking into the ocean
  • The continents seemed to fit together like a puzzle and fossils of animals found on coasts of different continents also aligned (correct)
  • The continents seemed to be shifting rapidly
  • What term did Alfred Wegener use to refer to the original land mass?

  • Pangaea (correct)
  • Rodinia
  • Gondwanaland
  • Laurasia
  • What was the significance of Alfred Wegener's 1912 lecture?

  • It introduced the concept of plate tectonics
  • It discussed the formation of oceanic trenches
  • It proposed the idea of ice ages
  • It challenged existing theories about continental drift (correct)
  • Study Notes

    Alfred Wegener and Continental Drift

    • Observations of fit of continents, similarities in fossil species, and matching of rock formations on different continents led Alfred Wegener to propose the idea of continental drift.
    • Wegener used the term "Pangaea" to refer to the original land mass that broke apart to form modern continents.
    • Wegener's 1912 lecture was significant because it introduced his theory of continental drift, which challenged the established view of fixed continents and sparked a new area of research in geology.

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    Description

    Learn about Alfred Wegener's 1912 lecture proposing the idea of continental drift, based on the observations of continents fitting together like a puzzle and aligned fossils of animals found on different coasts. Explore the concept of 'Pangea,' meaning 'all land.'

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