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20 Matching questions

  1. The continental drift hypothesis was rejected primarily because Alfred Wegener could not ________.
  2. Cooler, older, oceanic lithosphere sink into the mantle at ________.
  3. Deep ocean trenches are surficial evidence for ________.
  4. ________ most effectively outline the edges of the lithospheric plates.
  5. Deep-focus earthquakes are associated with ________ plate boundaries.
  6. Pull-apart, rift zones are generally associated with ________.
  7. Which one of the following most accurately describes the volcanoes of the Hawaiian Islands?
  8. The volcanoes and deep valleys of east Africa are related to a ________.
  9. The ________ is an example of an active, continent-continent collision.
  10. New oceanic crust and lithosphere are formed at ________.
  11. A very long-lived magma source located deep in the mantle is called a ________.
  12. All of the following are evidence supporting the theory of plate tectonics except for ________.
  13. The former, late Paleozoic super continent is known as ________.
  14. Which of the following paleoclimatic evidence supports the idea of the late Paleozoic super continent in the Southern Hemisphere?
  15. Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?
  16. A transform plate boundary is characterized by ________.
  17. Deep-oceanic trenches are most abundant around the rim of the ________ ocean basin.
  18. Linear, magnetic patterns associated with mid-ocean ridges are configured as ________.
  19. Deep-focus earthquakes, those between 300 and 700 kilometers below the surface, occur only in association with ________.
  20. The modern-day Red Sea is explained by plate tectonics theory because it is ________.
  1. a Pacific
  2. b export of heat from deep in the mantle to the top of the asthenosphere
  3. c a deep, vertical fault along which two plates slide past one another in opposite directions
  4. d a rift zone that may eventually open into a major ocean if Arabia and Africa continue to separate
  5. e hot spot
  6. f normal and reversed magnetized strips roughly parallel to the ridge
  7. g subduction zones along convergent plate boundaries
  8. h divergent boundaries by submarine eruptions and intrusions of basaltic magma
  9. i rocks formed by glaciers in South Africa and South America
  10. j a divergent plate boundary
  11. k continental rift along which parts of the African continent are beginning to slowly separate
  12. l identify a mechanism capable of moving continents
  13. m shield volcanoes fed by a long-lived hot spot below the Pacific lithospheric plate
  14. n changes in the Moon's orbit due to shifting plates
  15. o sinking of oceanic lithosphere into the mantle at a subduction zone
  16. p convergent (subducting)
  17. q Pangaea
  18. r Lines of earthquake epicenters
  19. s mid-ocean ridges
  20. t northward movement of India into Eurasia