Alfred Wegener: Continental Drift Theory
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Questions and Answers

What was Alfred Wegener's primary field of study before he became a meteorologist?

  • Astronomy (correct)
  • Oceanography
  • Paleontology
  • Geology
  • What significant contribution did Wegener make to meteorology during his early career?

  • Established weather forecasting models
  • Developed temperature measurement techniques
  • Pioneered the use of weather balloons (correct)
  • Invented the barometer
  • Which expedition was crucial in Wegener's research on continental drift?

  • Fourth Greenland Expedition (correct)
  • Second Greenland Expedition
  • Arctic Research Expedition
  • First Greenland Expedition
  • In which year did Wegener publish The Origin of Continents and Oceans?

    <p>1915 (B)</p> Signup and view all the answers

    What was a significant barrier to the acceptance of Wegener's theories during his lifetime?

    <p>Opposition from established scientists (B)</p> Signup and view all the answers

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

    <p>Fossil evidence and geographic fit (C)</p> Signup and view all the answers

    What position did Wegener hold at Graz University, Austria?

    <p>Professor of Meteorology and Geophysics (C)</p> Signup and view all the answers

    During which global conflict was Wegener drafted into the military?

    <p>World War I (A)</p> Signup and view all the answers

    What was one of the key pieces of evidence Wegener used to support his theory of continental drift?

    <p>Matching fossil records (D)</p> Signup and view all the answers

    Which aspect of Wegener's theory led to initial rejection by geologists?

    <p>Lack of a mechanism for movement (C)</p> Signup and view all the answers

    What discovery made by Marie Tharp significantly contributed to the support for continental drift?

    <p>Mapping the ocean floor (B)</p> Signup and view all the answers

    The theory of continental drift was initially proposed in which year?

    <p>1912 (C)</p> Signup and view all the answers

    Which term best describes the initial stance of the scientific community towards Wegener's theory?

    <p>Largely rejecting (B)</p> Signup and view all the answers

    What was the collective name given to the single land mass proposed by Wegener?

    <p>Pangaea (D)</p> Signup and view all the answers

    Which geological feature discovered by Tharp provided evidence that would later support the theory of plate tectonics?

    <p>The mid-Atlantic ridge (C)</p> Signup and view all the answers

    What are the massive plates that the Earth's outer layer is fractured into as proposed by the theory of plate tectonics called?

    <p>Lithospheric plates (A)</p> Signup and view all the answers

    Study Notes

    Alfred Wegener: Continental Drift Theorist

    • Wegener, a meteorologist and Arctic explorer, proposed the theory of continental drift
    • Despite not being a geologist, he gathered evidence from various research areas
    • His ideas weren't accepted until after his death, a common fate for groundbreaking innovators
    • Born in Berlin, Germany, the youngest of five children
    • Earned a PhD in astronomy at Berlin University, then shifted to meteorology
    • Worked at a meteorological station in Beeskow, with his brother Kurt, pioneering weather balloon use to study air movement
    • In 1906, led a Greenland expedition, building the first meteorological station there
    • His Greenland experience led him to question why continents fit together
    • Noticed matching coastlines of continents
    • In 1930, Wegener's fourth Greenland expedition ended tragically. He died at age 50.
    • His fourth expedition, to Greenland in 1930, was planned for his 50th birthday, but it was cut short, never returning.
    • The expedition was completed by his brother.

    Wegener's Career and Impact

    • Drafted into the German army during World War I; released in 1914 after being wounded.
    • Published "The Origin of Continents and Oceans" in 1915, including maps illustrating continental drift
    • Later, became a professor of meteorology and geophysics at Graz University, Austria in 1924
    • Discovered fossil evidence in 1911 that linked Africa and South America before they drifted apart
    • Published his continental drift theory in two 1912 papers that explained continental drift in a series of lectures.

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    Description

    Explore the life and contributions of Alfred Wegener, the meteorologist who famously proposed the theory of continental drift. This quiz covers his groundbreaking research, expeditions, and the evidence he gathered despite lacking formal geological training. Delve into the challenges he faced and the posthumous recognition of his work.

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