Continental Drift Theory
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Questions and Answers

What does the continental drift theory propose?

  • Continental drift is caused by the movement of the moon.
  • Tectonic plates are fixed and do not move.
  • The seafloor does not play a role in continental drift.
  • All continents were once a single landmass that later drifted apart. (correct)
  • Who was the key theorist behind the continental drift theory?

  • Isaac Newton
  • Alfred Wegener (correct)
  • Galileo Galilei
  • Charles Darwin
  • What did Alfred Wegener refer to as the single supercontinent?

  • Eurasia
  • Pangea (correct)
  • Laurasia
  • Gondwana
  • What is a key factor leading to the drift of continents?

    <p>Movement of tectonic plates</p> Signup and view all the answers

    What did some scientists believe contrary to Wegener's theory?

    <p>Continents were fixed and immovable.</p> Signup and view all the answers

    What happens when tectonic plates move?

    <p>Landmasses or continents drift and move apart.</p> Signup and view all the answers

    'The continental drift hypothesis refers to the theory where _______.'

    <p>'all of the continents were joined together in one large landmass prior to splitting apart'</p> Signup and view all the answers

    When did Alfred Wegener first propose the theory of continental drift?

    <p>1912</p> Signup and view all the answers

    In which region were fossils of the Lystrosaurus found to support Alfred Wegener's theory?

    <p>Antarctica and Africa</p> Signup and view all the answers

    Where was Alfred Wegener a professor of meteorology and geophysics?

    <p>University of Graz</p> Signup and view all the answers

    What type of evidence supported Alfred Wegener's theory of continental drift?

    <p>Fossils, climate information, and rock clues</p> Signup and view all the answers

    Which continent was not mentioned as having matching 'puzzle piece' coastlines according to the text?

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

    What was Alfred Wegener's academic field before becoming interested in paleo-climatology?

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

    In which decade was Alfred Wegener's theory of continental drift finally accepted?

    <p>1960s</p> Signup and view all the answers

    What is the main cause of the shift in the positions of continents according to the continental drift theory?

    <p>The movement of tectonic plates</p> Signup and view all the answers

    What did Alfred Wegener call the single supercontinent that he believed existed before the continents drifted apart?

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

    When did Alfred Wegener propose that Pangea split into smaller landmasses, forming the continents we know today?

    <p>250-200 million years ago</p> Signup and view all the answers

    What was the main contention some scientists had against Alfred Wegener's theory of continental drift?

    <p>They believed continents were stationary and could not shift</p> Signup and view all the answers

    Which of the following correctly describes tectonic plates as mentioned in the text?

    <p>Massive slabs of rocks that move and cause continents to drift apart</p> Signup and view all the answers

    What did some people believe about the north magnetic pole according to the text?

    <p>It was stationary and did not move</p> Signup and view all the answers

    Why did some scientists disagree with Alfred Wegener's theory of continental drift?

    <p>They thought continents were fixed in place</p> Signup and view all the answers

    What was the primary reason why Alfred Wegener's theory of continental drift was rejected by other scientists in the 1930s?

    <p>It lacked substantial evidence</p> Signup and view all the answers

    Which of the following was NOT a piece of evidence that supported Alfred Wegener's theory of continental drift?

    <p>Climate information from all continents</p> Signup and view all the answers

    During which decade did Alfred Wegener's theory of continental drift regain acceptance and become integrated into plate tectonic theories?

    <p>1960s</p> Signup and view all the answers

    Why did Alfred Wegener's theory of continental drift face skepticism from geologists and scientists?

    <p>It was considered impossible due to lack of supporting evidence</p> Signup and view all the answers

    Which piece of evidence mentioned in the text is most directly related to the concept of Pangea being a single large landmass at one point in time?

    <p>Discovery of Lystrosaurus fossils in Antarctica and Africa</p> Signup and view all the answers

    Which event in Alfred Wegener's life contributed significantly to his interest in paleo-climatology?

    <p>His research expedition to study polar air circulation in Greenland</p> Signup and view all the answers

    Which region was NOT mentioned in the text as having evidence that supported Alfred Wegener's theory of continental drift?

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

    'Piece fitting' of which continents was described as visibly matching coastlines according to the text?

    <p>South America and Africa</p> Signup and view all the answers

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