Continental Drift Theory: Understanding Earth's Surface
30 Questions
2 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

What is the name of the single landmass that existed around 250 million years ago according to the Continental Drift Theory?

  • Eurasia
  • Gondwanaland
  • Pangaea (correct)
  • Laurasia

    • Who proposed 'The Continental Drift Theory' and in which year?

  • Nikola Tesla in 1943
  • Isaac Newton in 1687
  • Charles Darwin in 1859
  • Alfred Wegener in 1912 (correct)

    • What is the name of the single ocean that surrounded Pangaea according to the Continental Drift Theory?

  • Panthalassa (correct)
  • Pacific Ocean
  • Indian Ocean
  • Atlantic Ocean

    • Which of the following continents was not part of Gondwanaland according to the Continental Drift Theory?

    <p>North America</p> Signup and view all the answers

    What evidence supports the Continental Drift Theory?

    <p>The corresponding edges of the continents fit together</p> Signup and view all the answers

    Approximately how long ago did Pangaea begin to split according to the Continental Drift Theory?

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

    What is the driving force behind the plate movement?

    <p>Heat from the core</p> Signup and view all the answers

    Which plate boundary is also called an accreting plate margin?

    <p>Divergent boundary</p> Signup and view all the answers

    What type of boundary forms rift valleys, like the African Rift Valley in East Africa?

    <p>Divergent boundary</p> Signup and view all the answers

    Between which two types of plates can subduction occur?

    <p>Between two oceanic plates and between two continental plates</p> Signup and view all the answers

    The Mariana Trench, the deepest trench in the world, is formed due to the subduction of which plate?

    <p>Pacific Plate under Eurasian Plate</p> Signup and view all the answers

    Which boundary is marked by an oceanic ridge (divergent boundary) running in a roughly W-E direction?

    <p>Indian-Antarctic Plate boundary</p> Signup and view all the answers

    What event occurred about 40 - 50 million years ago due to the collision of the Indian Plate with Asia?

    <p>Formation of the Himalayas</p> Signup and view all the answers

    What was the location of the Indian subcontinent about 140 million years ago?

    <p>$50°S$ latitude</p> Signup and view all the answers

    What did Gondwana break off into, leading to the opening of the Indian Ocean?

    <p>$\text{Africa, Australia, Antarctica}$</p> Signup and view all the answers

    What type of plate boundary separates the North American plate and Pacific plates in California?

    <p>$\text{Transform boundary}$</p> Signup and view all the answers

    What geological feature is formed due to convergent boundaries?

    <p>Fold mountains</p> Signup and view all the answers

    Which type of plate movement causes the formation of folds, faults, earthquakes, and volcanoes?

    <p>All types of plate movements</p> Signup and view all the answers

    What is the main evidence that supports the theory of continental drift?

    <p>The matching of ancient rocks from Brazil’s coast with those from western Africa</p> Signup and view all the answers

    What is the term used for the sedimentary rock formed out of deposits of glaciers?

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

    What theory was proposed by Hess in 1961?

    <p>Sea Floor Spreading</p> Signup and view all the answers

    What is the word 'tectonic' derived from in the context of 'plate tectonics'?

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

    What force is attributed to the drifting of continents according to Wegener?

    <p>Polar-fleeing force</p> Signup and view all the answers

    What was proposed by Arthur Holmes in an attempt to provide an explanation for the force causing continental drift?

    <p>Convectional Current theory</p> Signup and view all the answers

    What type of sediments indicate remarkably similar histories for different landmasses?

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

    Which theory discarded the continental drift theory based on the operation of convectional currents in the mantle portion?

    <p>'Convectional Current' theory</p> Signup and view all the answers

    What led Alfred Wegener to propose the theory of continental drift?

    <p>The matching of ancient rocks from Brazil’s coast with those from western Africa.</p> Signup and view all the answers

    What are responsible for plate movement according to the theory of plate tectonics?

    <p>Convectional currents and volcanic eruptions at oceanic ridges.</p> Signup and view all the answers

    What type of sediments did Arthur Holmes use as evidence to explain his convectional current theory?

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

    What did post World War Ⅱ expeditions to map the oceanic floor reveal?

    <p>The presence of volcanic activity at the oceanic ridges.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser