8.1 Reading Guide

18 Questions

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Reading Quizzes & Trivia

Reading Guide for 8. 1

Questions and Answers
  • 1. 
    ________________________ is the theory that the lithosphere is made of plates that move and interact with each other at their boundaries.
  • 2. 
    Scientist who first proposed the continental drift theory
  • 3. 
    A force that is exerted by cooling, subsiding rock on the spreading lithospheric plates at the mid-ocean ridge
  • 4. 
    A crack in the opening of the Earth's crust
  • 5. 
    A deep valley at a point where lithospheric plates are moving apart
  • 6. 
    A force at a subduction valley that the sinking edge of a plate exerts on the rest of the plate
  • 7. 
    A convergent boundary where an oceanic plate is plunging beneath another, overriding plate
  • 8. 
    A boundary between two plates that are sliding by each other
  • 9. 
    A large block of lithospheric plate that has been removed and attached to the edge of a continent
  • 10. 
    A convergent boundary between two continents that have come together and are welded together
  • 11. 
    A hypothesis that the Earth's continents move on the Earth's surface
  • 12. 
    A boundary between two plates that are moving towards each other
  • 13. 
    Ancient core of continent
  • 14. 
    A boundary between two plates that are moving apart
  • 15. 
    A long, narrow, steep-sided trough,  that runs parallel to continental margins or volcanic island arcs
  • 16. 
    A process by which heat from the Earth's inner and outer cores is transferred through the mantle
  • 17. 
    A long chain of volcanic mountains on the ocean floor with a steep central valley
  • 18. 
    A hypothetical landmass consisting of all the continents welded together