Quiz: Earth And Geology

100 Questions | Total Attempts: 145

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Geology Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following features only forms underwater?
    • A. 

      Aa

    • B. 

      Pyroclasts

    • C. 

      Pahoehoe

    • D. 

      Pillow basalt

    • E. 

      Volcanic breccia

  • 2. 
    Ductile rocks deform by faulting
    • A. 

      True

    • B. 

      False

  • 3. 
    What types of plate boundaries can be found along the western coast of the US
    • A. 

      O-O divergent

    • B. 

      C-C divergent

    • C. 

      O-O convergent

    • D. 

      O-C convergent

    • E. 

      C-C convergent

    • F. 

      O-O transform

    • G. 

      C-C transform

  • 4. 
    Where would you expect to find earthquakes and volcanism occurring together?
    • A. 

      O-O divergent

    • B. 

      C-C divergent

    • C. 

      O-O convergent

    • D. 

      O-C convergent

    • E. 

      C-C convergent

    • F. 

      O-O transform

    • G. 

      C-C transform

  • 5. 
    Where would you expect to find only earthquakes?
    • A. 

      O-O divergent

    • B. 

      C-C divergent

    • C. 

      O-O convergent

    • D. 

      O-C convergent

    • E. 

      C-C convergent

    • F. 

      O-O transform

    • G. 

      C-C transform

  • 6. 
    What type of volcano has alternating layers of lava and pyroclastic materials
    • A. 

      Shield volcano

    • B. 

      Cinder cone

    • C. 

      Stratovolcano

    • D. 

      Volcanic dome

  • 7. 
    A (an) ____ eruption is characterized by lava flows through long, nearly vertical cracks in Earth's surface.
    • A. 

      Fissure

    • B. 

      Pyroclastic

    • C. 

      Rhyolitic

    • D. 

      Andesitic basaltic

  • 8. 
    Calderas are larger features than craters
    • A. 

      True

    • B. 

      False

  • 9. 
    Phenocrysts are solidified fragments of volcanic material that are ejected into the air
    • A. 

      True

    • B. 

      False

  • 10. 
    Fumaroles are hot water fountains that spout intermittently
    • A. 

      True

    • B. 

      False

  • 11. 
    Which of the following settings is LEAST likely to erupt basaltic lavas
    • A. 

      Oceanic plate subducting underneath oceanic plate

    • B. 

      Oceanic plate diverging from oceanic plate

    • C. 

      Hot spot volcanism

    • D. 

      Oceanic plate subducting underneath continental plate

  • 12. 
    A (an) ___ is a torrential flow of wet  volcanic debris
    • A. 

      Flank collapse

    • B. 

      Eruption cloud

    • C. 

      Caldera collapse

    • D. 

      Earthquake

    • E. 

      Lahar

  • 13. 
    Which of the following items causes the most volcanic related fatalities
    • A. 

      Tsunamis

    • B. 

      Lahars

    • C. 

      Pyroclastic flows

    • D. 

      Ash

    • E. 

      Floods

  • 14. 
    Volcanically active areas can be good sources of heat energy for geothermal power
    • A. 

      True

    • B. 

      False

  • 15. 
    If all the rocks in a mountain are basalt where would this mountain be
    • A. 

      An ash flow deposit area

    • B. 

      An area with a recent pyroclastic eruption

    • C. 

      An area next to a caldera

    • D. 

      An area near an active geyser field

    • E. 

      A large igneous province area

  • 16. 
    A granite formed with 1000 atoms of uranium-238 (a radioactive isotope). The rock now contains 500 atoms of uranium-237. How many half lives of uranium-238 have passed since the rock formed
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3

    • E. 

      4

  • 17. 
    The relative age of the granite can be calculated knowing the half life of uranium-238 is 4.5 billion years
    • A. 

      True

    • B. 

      False

  • 18. 
    In which eon did humans evolve
    • A. 

      Archean

    • B. 

      Hadean

    • C. 

      Phanerozoic

    • D. 

      Proterozoic

  • 19. 
    All eons encompass different amounts of geologic time
    • A. 

      True

    • B. 

      False

  • 20. 
    You have identified an erosional surface located between gneiss (below the surface) and limestone (above the surface). What name BEST describes the erosional surface?
    • A. 

      Unconformity

    • B. 

      Disconformity

    • C. 

      Angular unconformity

    • D. 

      Nonconformity

  • 21. 
    You have identified a basaltic dike in horizontal layers of a regionally extensive sandstone. what statement best describes the relationship between the dike and the sandstone?
    • A. 

      The dike is younger than the sandstone

    • B. 

      The sandstone is younger than the dike

    • C. 

      The sandstone and the dike are the same age

  • 22. 
    What statement best describes the principle of superposition
    • A. 

      Sediments are deposited as essentially horizontal layers

    • B. 

      Inclusions are older than the rocks they are contained in

    • C. 

      Sediments spread out in all directions when they are deposited

    • D. 

      Undisturbed sedimentary layers get younger from bottom to top

  • 23. 
    Which of the following represents the smallest division of geologic time
    • A. 

      Eon

    • B. 

      Epoch

    • C. 

      Era

    • D. 

      Period

  • 24. 
    A mass extinction is a short period in time in which a small percentage of species dies
    • A. 

      True

    • B. 

      False

  • 25. 
    Which of the following can change the rate of radioactive decay
    • A. 

      Changes in temperature

    • B. 

      Chemical reactions

    • C. 

      Changes in pressure

    • D. 

      Nothing changes decay rates