Geology Trivia Quiz: Introduction To Earth! Test

100 Questions | Total Attempts: 115

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Geology Quizzes & Trivia

With the academic year coming to a close, it is essential to ensure that we have refreshed our memory on all things covered in the geology class. The quiz below is set up from chapter 8, 2, 7, 12, & 13 composed of online and in-class quizzes and in-class assignments. Give it a try and be sure to come back for the quizzes on the other topics.


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

  • 26. 
    Hanging wall goes up while the foot wall goes down at a 20 degree angle, what kind of fault is this
    • A. 

      Normal dip slip fault

    • B. 

      Reverse dip slip fault

    • C. 

      Oblique slip fault

    • D. 

      Thrust fault

  • 27. 
    A basin is a synclinal structure with strata that dip toward a central point
    • A. 

      True

    • B. 

      False

  • 28. 
    In what large scale tectonic setting do fold and thrust belts form
    • A. 

      C-C transform

    • B. 

      C-C divergence

    • C. 

      O-C convergence

    • D. 

      C-C convergence

  • 29. 
    Strike describes the angle at which rocks dive into the ground
    • A. 

      True

    • B. 

      False

  • 30. 
    What type of deformation texture best describes a myloniite?
    • A. 

      Breccia

    • B. 

      Joint

    • C. 

      Fault

    • D. 

      Fold

    • E. 

      Cataclastic

  • 31. 
    Which of the following structures has the youngest rocks at its edges
    • A. 

      Basin

    • B. 

      Syncline

    • C. 

      Dome

    • D. 

      Rift valley

    • E. 

      Fault plane

  • 32. 
    Which of the following is not evidence for continental drift
    • A. 

      Fossil distribution

    • B. 

      Rock assemblage distribution

    • C. 

      Jig saw puzzle fit of continents

    • D. 

      Earthquakes at transform plates

  • 33. 
    Geologic maps are color maps that represent rock formations exposed at earth's surface
    • A. 

      True

    • B. 

      False

  • 34. 
    In which of the following settings would you expect to find volcanism and earthquakes
    • A. 

      C-C convergence

    • B. 

      O-O transform

    • C. 

      O-O Divergence

    • D. 

      C-C transform

  • 35. 
    Which of the following statements about supercontinents is false
    • A. 

      The supercontinent Columbia formed more recently than the supercontinent Rodinia

    • B. 

      There is typically one giant earth ocean when a supercontinent forms

    • C. 

      Pangea was the last supercontinent to form

    • D. 

      A supercontinent will form in the future

  • 36. 
    Plate area decreases at divergent plate boundaries
    • A. 

      True

    • B. 

      False

  • 37. 
    Which rocks do scientists look at to study magnetic anomalies
    • A. 

      Limestone that formed from coral reefs

    • B. 

      Shale that formed in ancient lakes

    • C. 

      Basalt found on the seafloor

    • D. 

      Marble that formed during contact metamorphism

    • E. 

      Sandstone that lithified from a sand dune

  • 38. 
    All tectonic plates move across earth at the same rate
    • A. 

      True

    • B. 

      False

  • 39. 
    What formula is used to calculate seafloor spreading rates
    • A. 

      Speed= distance/time

    • B. 

      Speed= time/distance

    • C. 

      Time= speed/distance

    • D. 

      Time= distance/speed

    • E. 

      Distance = speed/time

  • 40. 
    In which setting will a volcanic island arc form
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O convergence

  • 41. 
    In which setting will the tallest mountains be created
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O divergence

  • 42. 
    In which setting will rift valleys form
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O convergence

  • 43. 
    What kind of force(s) is (are) responsible for strike slip faulting
    • A. 

      Tension

    • B. 

      Compression

    • C. 

      Shearing

    • D. 

      Tension and shearing

  • 44. 
    The study of layers in sedimentary rock is known as
    • A. 

      Geochronology

    • B. 

      Paleontology

    • C. 

      Stratigraphy

    • D. 

      Sedimentation

  • 45. 
    Which of the following is the best statesment of the principle of original horizontality
    • A. 

      Most igneous, metamorphic, and sedimentary rocks in the earths crust form horizontal layers

    • B. 

      Igenous intrusions form horizontal layers

    • C. 

      Sediments are deposited as horizontal layers

    • D. 

      Metamorphic isograds are horizontal before deformation

  • 46. 
    The smallest division of geologic time is the era
    • A. 

      True

    • B. 

      False

  • 47. 
    What is an unconformity
    • A. 

      A gap in the geologic record

    • B. 

      A sequence of deformed rocks

    • C. 

      A sedimentary layer of variable thickness

    • D. 

      A period of deposition

  • 48. 
    Which of the following is an erosion surface that separates two sets of sedimentary layers with non parallel bedding planes
    • A. 

      Cross bed

    • B. 

      Disconformity

    • C. 

      Nonconformity

    • D. 

      Angular unconformity

  • 49. 
    Which of the following statements about radioactivity is false
    • A. 

      A radioactive element decays at a constant rate

    • B. 

      The decay product of a radioactive element is called the daughter product

    • C. 

      Radioactivity is the spontaneous disintegration of the nucleus of an atom

    • D. 

      Energy is consumed during radioactivedecay

  • 50. 
    A rock formed with 1000 atoms of a radioactive parent element, but contains only 250 radioactive parent atoms today.  If the half-life for the radioactive element is one million years, how old is the rock?
    • A. 

      2 million years old

    • B. 

      250,000 years old

    • C. 

      4 million years old

    • D. 

      750,000 years old

  • 51. 
    Many boundaries of the geologic time scale are marked by mass extinctions.
    • A. 

      True

    • B. 

      False

  • 52. 
    Human beings (homo sapiens) evolved during which geologic era?
    • A. 

      Precambrian

    • B. 

      Mesozoic

    • C. 

      Paleozoic

    • D. 

      Cenozoic

  • 53. 
    Which of the following radioactive isotopes is the most useful for dating very young (<10,000 years old) wood and charcoal?
    • A. 

      Carbon-14

    • B. 

      Potassium-40

    • C. 

      Uranium-238

    • D. 

      Rubidium-87

  • 54. 
    I. Convergent plate boundaries II. Divergent plate boundaries III. Transform fault boundaries Where are the world highest mountain ranges created
    • A. 

      I,II, & III

    • B. 

      II & III

    • C. 

      I

    • D. 

      I & II

  • 55. 
    Which of the following is a type of convergent plate boundary?
    • A. 

      Continental rift

    • B. 

      Mid ocean ridge

    • C. 

      Spreading center

    • D. 

      Subduction zone

  • 56. 
    Continental drift is the large-scale movement of continents.
    • A. 

      True

    • B. 

      False

  • 57. 
    On a map of the seafloor, the boundaries between normally magnetized oceanic crust and reversely magnetized oceanic crust are called __________.
    • A. 

      Sutures

    • B. 

      Isochrons

    • C. 

      Isograds

    • D. 

      Isotherms

  • 58. 
    Mid-ocean ridges are also referred to as _________.
    • A. 

      Hot spots

    • B. 

      Island arcs

    • C. 

      Spreading centers

    • D. 

      Trench zones

  • 59. 
    Magnetic anomalies are long, narrow, parallel bands that are almost symmetrical with the mid-ocean ridge.
    • A. 

      True

    • B. 

      False

  • 60. 
    An island arc forms when there is __________ convergence.
    • A. 

      O-C

    • B. 

      O-O

    • C. 

      C-C

    • D. 

      None of the above

  • 61. 
    __________ are the most extensive mountain ranges on Earth today.
    • A. 

      The alps

    • B. 

      Mid ocean ridges

    • C. 

      The Himalayas

    • D. 

      The rockies

  • 62. 
    The east coast of North America is __________.
    • A. 

      Divergent plate boundary

    • B. 

      Convergent plate boundary

    • C. 

      Transform plate boundary

    • D. 

      Not a plate boundary

  • 63. 
    Which of the following statements best describes the behavior of rocks during deformation?
    • A. 

      Brittle materials deform by folding, whereas ductile materials deform by faulting.

    • B. 

      Both brittle and ductile materials deform by faulting.

    • C. 

      Brittle materials deform by faulting, whereas ductile materials deform by folding.

    • D. 

      Both brittle and ductile materials deform by folding.

  • 64. 
    The dip of a unit represents the ___________.
    • A. 

      Direction of intersection of the rock layer and a horizontal surface

    • B. 

      Angle at which the bed inclines from the horizontal

    • C. 

      Part of the unit that has been eroded

    • D. 

      Tilt of the rock unit before deformation

  • 65. 
    A geologic cross section is a diagram that shows features that would be visible if once could make a slice through the crust.
    • A. 

      True

    • B. 

      False

  • 66. 
    Which of the following types of tectonic forces tends to push two sides of a body in opposite directions so that they slide horizontally past one another?
    • A. 

      Shearing forces

    • B. 

      Tensional forces

    • C. 

      Torsional forces

    • D. 

      Compressive forces

  • 67. 
    Reverse faults form in response to ______ forces.
    • A. 

      Compressive

    • B. 

      Torsional

    • C. 

      Shearing

    • D. 

      Tensional

  • 68. 
    What is a thrust fault
    • A. 

      Low angle oblique fault

    • B. 

      Low angle normal fault

    • C. 

      Low angle reverse fault

    • D. 

      Low angle strike slip fault

  • 69. 
    The San Andreas Fault is an example of a left-lateral strike-slip fault.
    • A. 

      True

    • B. 

      False

  • 70. 
    In an anticline, ________.
    • A. 

      The oldest rocks occur in the center and the limbs dip toward the center

    • B. 

      The youngest rocks occur in the center and the limbs dip away from the center

    • C. 

      The youngest rocks occur in the center and the limbs dip toward the center

    • D. 

      The oldest rocks occur in the center and the limbs dip away from the center

  • 71. 
    The surface that divides a fold into two symmetrical halves is called the __________.
    • A. 

      Limb

    • B. 

      Axial plane

    • C. 

      Fold axis

    • D. 

      Fault

  • 72. 
    What type of structure is characterized by rock layers that dip radially toward a central point?
    • A. 

      Syncline

    • B. 

      Anticline

    • C. 

      Basin

    • D. 

      Dome

  • 73. 
    Which of the following statements about lava is true?
    • A. 

      Basaltic lavas have higher silica content than rhyolitic lavas.

    • B. 

      High temperature lavas are less viscous than low-temperature lavas.

    • C. 

      The viscosity of a lava increases as the silica content decreases.

    • D. 

      The more gas a lava contains, the less violent the eruption.

  • 74. 
    A volcano is a hill or mountain that is composed of lava and other erupted materials.
    • A. 

      True

    • B. 

      False

  • 75. 
    What is the name for a basaltic lava flow that has a ropy, folded surface?
    • A. 

      Aa

    • B. 

      Breccia

    • C. 

      Tuff

    • D. 

      Pahoehoe

  • 76. 
    When does volcanism not occur
    • A. 

      Hot spots

    • B. 

      Mid ocean ridges

    • C. 

      Subduction zones

    • D. 

      Continent continent collision zones

  • 77. 
    Solidified fragments of volcanic material ejected into the air are called ______.
    • A. 

      Pillow basalts

    • B. 

      Phenocrysts

    • C. 

      Vesicles

    • D. 

      Pyroclasts

  • 78. 
    Hydrothermal activity ivolves the circulation of water through hot volcanic rocks and magmas.
    • A. 

      True

    • B. 

      False

  • 79. 
    Small vents on volcanoes that emit gas fumes and steam are called ________.
    • A. 

      Vesicles

    • B. 

      Lahars

    • C. 

      Fumaroles

    • D. 

      Calderas

  • 80. 
    Craters are larger than calderas
    • A. 

      True

    • B. 

      False

  • 81. 
    What type of seismic waves are S waves?
    • A. 

      Shear waves

    • B. 

      Tsunamis

    • C. 

      Compressional waves

    • D. 

      Surface waves

  • 82. 
    Earthquakes occur when rocks under stress suddenly fail.
    • A. 

      True

    • B. 

      False

  • 83. 
    What type of seismic wave causes the most building damage?
    • A. 

      S waves

    • B. 

      They all cause building damage

    • C. 

      Surface waves

    • D. 

      P waves

  • 84. 
    Earthquakes do NOT cause tsunamis.
    • A. 

      True

    • B. 

      False

  • 85. 
    How many seismograph stations are needed to locate the epicenter of an earthquake?
    • A. 

      4

    • B. 

      3

    • C. 

      1

    • D. 

      2

  • 86. 
    A recurrence interval for earthquakes refers to the time between earthquake ruptures.
    • A. 

      True

    • B. 

      False

  • 87. 
    What does the elastic rebound theory describe?
    • A. 

      The build-up and release of stress during an earthquake

    • B. 

      The formation of mountain ranges by successive earthquakes

    • C. 

      The uplift of the crust in response to erosion

    • D. 

      The fluctuations in groundwater prior to an earthquake

  • 88. 
    Which of the following correctly lists the order in which seismic waves arrive at a seismograph station?
    • A. 

      P waves → surface waves → S waves

    • B. 

      S waves → P waves → surface waves

    • C. 

      Surface waves → P waves → S waves

    • D. 

      P waves → S waves → surface waves

  • 89. 
    The focus of an earthquake is located geographically above the epicenter of an earthquake.
    • A. 

      True

    • B. 

      False

  • 90. 
    The ground motion during a Richter magnitude 8 earthquake is ______ times greater than the ground motion during a Richter magnitude 6 earthquake.
    • A. 

      1000

    • B. 

      2

    • C. 

      100

    • D. 

      10

  • 91. 
    Given that the north american plate is headed westward (and includes basically the entire continent), is the east coast of the United States in danger of serious earthquakes anytime soon?
    • A. 

      Yes, it's not on a plate boundary

    • B. 

      Yes, it's on a plate boundary

    • C. 

      No, it's not on a plate boundary

    • D. 

      No, it's on a plate boundary

  • 92. 
    The western coast of the United States all one type of plate boundary
    • A. 

      True

    • B. 

      False

  • 93. 
    The indian subcontinent collided with Eurasia during the early Paleogene (~55 million years ago), raising the Himalaya Mountains. What kind of plate interaction occurred?
    • A. 

      C-C convergence

    • B. 

      O-O divergence

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O convergence

  • 94. 
    In which setting will continental rift be created
    • A. 

      Convergent plate boundaries

    • B. 

      Divergent plate boundaries

    • C. 

      Transform fault boundaries

  • 95. 
    Which type of plate boundary is represented by Japan & the Mariana Islands
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O divergence

    • F. 

      O-O convergence

    • G. 

      O-O transform

  • 96. 
    Which type of plate boundary is represented by Washington
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O divergence

    • F. 

      O-O convergence

    • G. 

      O-O transform

  • 97. 
    Which type of plate boundary is represented by the Andes Mountains
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O divergence

    • F. 

      O-O convergence

    • G. 

      O-O transform

  • 98. 
    Which type of plate boundary is represented by the San Andres Fault
    • A. 

      C-C convergence

    • B. 

      C-C transform

    • C. 

      O-C convergence

    • D. 

      C-C divergence

    • E. 

      O-O divergence

    • F. 

      O-O convergence

    • G. 

      O-O transform

  • 99. 
    What is the correct order
    • A. 

      Era, eon, period, epoch

    • B. 

      Period, era, epoch, eon

    • C. 

      Eon, era, period, epoch

    • D. 

      Epoch, eon, period, era

  • 100. 
    The hanging wall moves down while the foot wall moves up. what type of fault is this?
    • A. 

      Normal dip slip

    • B. 

      Reverse dip slip

    • C. 

      Thrust dip slip

    • D. 

      Strike slip

    • E. 

      Oblique slip