Continental Drift Theory
16 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Who first speculated the idea that continents might have drifted?

  • Abraham Ortellius (correct)
  • A German meteorologist
  • Pangea
  • Alfred Wegener
  • In which book did Alfred Wegener present his ideas about continental drift?

  • The Paleozoic and Mesozoic Era
  • The Origin of Continents and Oceans (correct)
  • The Supercontinent Pangea
  • The Drifting Continents
  • What was the name given to the supercontinent that was formed by a series of continental collisions?

  • Laurasia
  • Gondwana
  • Pangea (correct)
  • Ortellius
  • During which era did the supercontinent Pangea begin to break apart?

    <p>Mesozoic era</p> Signup and view all the answers

    Which landmass includes most of the present-day North America, Greenland, Europe, and Asia?

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

    Which landmass includes most of the present-day South America, Africa, India, Australia, and Antarctica?

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

    What did Harry Hess theorize in the 1960s?

    <p>The sea floor is moving along with the continents</p> Signup and view all the answers

    What is the driving force for the motion of the continents and the sea floor?

    <p>Mantle convection</p> Signup and view all the answers

    What led to the formation of the Himalayan mountain range?

    <p>Collision of India with Asia</p> Signup and view all the answers

    What did the Pangea breakup lead to?

    <p>Formation of isolated continental regions</p> Signup and view all the answers

    What is the proof that supports sea floor spreading?

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

    What happens when hot magma rises to the surface at mid-oceanic ridges?

    <p>It solidifies and forms new oceanic crust</p> Signup and view all the answers

    What does seismic studies confirm about oceanic crust?

    <p>It is sinking into the trenches</p> Signup and view all the answers

    What did Harry Hess propose as the explanation for sea floor spreading?

    <p>Mantle convection</p> Signup and view all the answers

    What caused the formation of mid-oceanic ridges and rifts on the ocean floor?

    <p>Hot magma emissions</p> Signup and view all the answers

    What has been found to be moving away from the rift at mid-oceanic ridges?

    <p>Solidified lava on both sides of the ridge</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser