Geology 103: Oceanography Quiz

35 Questions | Total Attempts: 76

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Geology Quizzes & Trivia

Questions and Answers
  • 1. 
    A ________ is a large, fast moving ocean wave generated by an earthquake or submarine landslide.
    • A. 

      Sieche

    • B. 

      Swell

    • C. 

      Tidal wave

    • D. 

      Standing wave

    • E. 

      Tsunami

  • 2. 
    There is good evidence that the last big Cascadia earthquake to trigger a major tsunami occurred in 
    • A. 

      1066 AD

    • B. 

      1492 AD

    • C. 

      1700 AD

    • D. 

      1932 AD

  • 3. 
    If the earth were completely covered by water, in addition to a tidal bulge forming on the side of the earth nearest the Moon, another bulge forms on the opposite side of the earth due to:
    • A. 

      The attraction by the sun

    • B. 

      Refraction of the tidal wave

    • C. 

      The Coriolis force

    • D. 

      The centrifugal force

  • 4. 
    The Autonomous Underwater Vehicle (AUV) described by Dr. Kipp Shearman 
    • A. 

      Was deployed in the open ocean for as much as three weeks at a time

    • B. 

      Glided through the water column by changing its overall density

    • C. 

      Measured dissolved oxygen, temperature and salinity

    • D. 

      All of the above

  • 5. 
    Plunging breaker usually form where there is a _______ bottom slope
    • A. 

      Steep

    • B. 

      Gentle

  • 6. 
    Swell” is the term for waves:
    • A. 

      That are still in the area of generation

    • B. 

      That are generated by earthquakes rather than by the wind

    • C. 

      That are generated by winds, but have moved out of the storm area and become regularly spaced as they cross the ocean

    • D. 

      That have broken on the beach and are characterized by white water foam

  • 7. 
    The distance over which the wind blows to create waves it termed:
    • A. 

      Fetch

    • B. 

      Distortion

    • C. 

      Convection

    • D. 

      Diffraction

    • E. 

      Refraction

  • 8. 
    When a wave crest is observed to move at 25 meters per second across the ocean, what is actually moving at 25 meters per second?
    • A. 

      Ocean water

    • B. 

      Wave height

    • C. 

      Ocean salinity

    • D. 

      Wave energy

    • E. 

      Ocean currents

  • 9. 
    Different wavelengths travel at different speeds according to the process called: 
    • A. 

      Dispersion

    • B. 

      Refraction

    • C. 

      Diffraction

    • D. 

      Reflection

    • E. 

      Declination

  • 10. 
    Which of the following would help predict when and where waves will become unstable and break?
    • A. 

      Wavelength

    • B. 

      Wave height

    • C. 

      Wave steepness

    • D. 

      Wave prolongation

    • E. 

      Wave dispersion

  • 11. 
    The most abundant elements dissolved in seawater are: 
    • A. 

      Sodium (Na) and Chlorine (Cl)

    • B. 

      Magnesium (mg) and mercury (hg)

    • C. 

      Iron (fe) and silicon (si)

    • D. 

      Calcium (ca) and sodium (na)

    • E. 

      Uranium (U) and Plutonium (pu)

  • 12. 
    The process in which water molecules change to a gas at temperatures below the boiling point is:
    • A. 

      Transpiration

    • B. 

      Sublimation

    • C. 

      Deposition

    • D. 

      Condensation

    • E. 

      Evaporation

  • 13. 
    Water’s unexpectedly high boiling and melting temperature depend on the _______ of the water molecule.
    • A. 

      Light absorption

    • B. 

      Density

    • C. 

      Polar structure

    • D. 

      Positive charge

  • 14. 
    The average salinity of seawater is ____ parts per thousand (o/oo)
    • A. 

      .35

    • B. 

      3.5

    • C. 

      35

    • D. 

      350

    • E. 

      3500

  • 15. 
    A sharp increase in density with depth is called a/an
    • A. 

      Pressure ridge

    • B. 

      Pycnocline

    • C. 

      Thermocline

    • D. 

      Halocline

    • E. 

      Isobar

  • 16. 
    The average length of time an ion remains in solution in the ocean is termed:
    • A. 

      Residence time

    • B. 

      Radioactive decay

    • C. 

      Half-life

    • D. 

      Terminal time

    • E. 

      A constant for all ions

  • 17. 
    Seawater with a salinity of 35 o/oo freezes _____degrees C.
    • A. 

      100

    • B. 

      32

    • C. 

      -1.9

    • D. 

      0

    • E. 

      98.7

  • 18. 
    A/an _____ is a depth interval in the ocean where the temperature changes rapidly
    • A. 

      Isotherm

    • B. 

      Pycnocline

    • C. 

      Thermocline

    • D. 

      Halocline

    • E. 

      Isobar

  • 19. 
    The total dissolved materials in seawater is termed:
    • A. 

      Density

    • B. 

      Specific gravity

    • C. 

      Toxicity

    • D. 

      Salinity

    • E. 

      Solubility

  • 20. 
    The SOFAR channel is:
    • A. 

      A submarine canyon cut by turbidites

    • B. 

      A region of focusing of sound due to increasing pressure and decreasing temperature with the depth in the ocean

    • C. 

      An eastern boundary current off Peru

    • D. 

      A satellite broadcast frequency used for weather forecasting

  • 21. 
    Over the ocean, ______ exceeds _____.
    • A. 

      Evaporation; precipitation

    • B. 

      Precipitation; evaporation

    • C. 

      Wind; bathymetry

    • D. 

      Temperature; salinity

  • 22. 
    The well-lighted portion of the ocean is termed the _____ zone:
    • A. 

      Aphotic

    • B. 

      Dysphotic

    • C. 

      Abyssal

    • D. 

      Benthic

    • E. 

      Photic

  • 23. 
    High tides are highest during:
    • A. 

      Spring tides

    • B. 

      Neap tides

    • C. 

      Mixed tides

    • D. 

      Spring break

  • 24. 
    Wind is caused by:
    • A. 

      The phases of the moon

    • B. 

      Solar flares

    • C. 

      Differences in air pressure

    • D. 

      The tides

    • E. 

      Evaporation

  • 25. 
    The Coriolis deflection is cause by:
    • A. 

      The phases of the moon

    • B. 

      The gravitational attraction of the sun

    • C. 

      The combined gravitational attraction of the sun and moon

    • D. 

      Apparent motion of object in the reference frame of the rotation earth

    • E. 

      Atmospheric pressure