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Plate Tectonics Quiz

Try out this Plate Tectonics quiz to test your knowledge. Plate Tectonics trivia explores the theory that Earth’s lithosphere is broken into moving plates, a framework that transformed geology in the 1960s by explaining earthquakes, volcanoes, and continental drift.

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15 questions

~3 min to finish

Easy to hard difficulty

550 pts max score

  1. Question 1 · Medium · 20 pts

    Earth science finally made things official with plate tectonics in what era—when bell-bottoms were also having a moment?

  2. Question 2 · Hard · 40 pts

    What is the name of the seismic boundary that separates Earth's crust from its mantle?

  3. Question 3 · Hard · 40 pts

    Granite-rich rocks are especially common in which major crustal domain?

  4. Question 4 · Hard · 40 pts

    Which line of evidence was especially important in establishing plate tectonics by recording past magnetic fields?

  5. Question 5 · Hard · 40 pts

    The alternating magnetic patterns preserved in oceanic crust tend to lie in what orientation relative to mid-ocean ridges?

  6. Question 6 · Hard · 40 pts

    Deep-focus earthquakes are most characteristically linked to what tectonic setting?

  7. Question 7 · Hard · 40 pts

    In the term 'Wadati-Benioff zone,' the 'Benioff' honors which seismologist?

  8. Question 8 · Hard · 40 pts

    Which plate-driving force is widely regarded as a major contributor to plate motions because sinking slabs help pull plates along?

  9. Question 9 · Hard · 40 pts

    What is the name for the gravity-driven sliding force acting away from the elevated topography of mid-ocean ridges?

  10. Question 10 · Hard · 40 pts

    Which proposed mechanism involves circulation within Earth's mantle as a contributor to plate motion?

  11. Question 11 · Hard · 40 pts

    What kind of basin can develop behind certain volcanic arcs?

  12. Question 12 · Hard · 40 pts

    Slices of oceanic crust and upper mantle thrust onto land are known by what name?

  13. Question 13 · Hard · 40 pts

    What term describes the geologic opening and closing of ocean basins through time?

  14. Question 14 · Hard · 40 pts

    If you travel outward from a mid-ocean ridge across the seafloor, what general trend do you expect in the crust's age?

  15. Question 15 · Easy · 10 pts

    Plate tectonics says Earth’s lithosphere is broken into what?