Oceanography Test: How Much You Know? Quiz

22 Questions | Total Attempts: 510

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Oceanography Test: How Much You Know? Quiz

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Questions and Answers
  • 1. 
    How is water distributed on Earth?
  • 2. 
    Single Water Molecules are held together by ( ) bonds and Multiple water molecules are held together by ( ) bonds
    • A. 

      Polar, Covalent

    • B. 

      Hydrogen, Polar

    • C. 

      Nonpolar, Polar

    • D. 

      Covalent, Hydrogen

  • 3. 
    The kind of bond where atoms are sharing electrons. All electron shells become full. In H2O, negative O has a negative charge and needs to steal electrons, so it bonds with positive H. 
    • A. 

      Hydrogen

    • B. 

      Covalent

    • C. 

      Polar

    • D. 

      Nonpolar

  • 4. 
    This creates water droplets and can explain why water lingers on tops of drinking glasses. It is caused by ( ), water molecule's tendency to stick to other water molecules. 
    • A. 

      Surface pull, adhesion

    • B. 

      Water capacity, mass

    • C. 

      Density, volume

    • D. 

      Surface tension, cohesion

  • 5. 
    The amount of energy needed to raise one gram of water by one degree of heat. You need a lot of energy to raise water temperature because it has a HIGH heat capacity. 
    • A. 

      Adhesion

    • B. 

      Calorie

    • C. 

      Mcdonalds

    • D. 

      Cohesion

  • 6. 
    The land has a ( ) heat capacity, while the ocean has a ( ) heat capacity.
    • A. 

      Low, high

    • B. 

      High, high

    • C. 

      High, low

    • D. 

      Low, low

  • 7. 
    Evaporation
    • A. 

      Releases heat and energy into the air, warming the air

    • B. 

      Takes heat and energy from surrounding areas, cooling the air

  • 8. 
    Precipitation
    • A. 

      Takes heat and energy from surrounding areas, cooling the air

    • B. 

      Releases heat and energy into the air, warming the air

  • 9. 
    Molecules are stealing energy to become water vapor. This takes heat away from the air, and the air becomes dry. (Bonds are broken) This is
    • A. 

      Evaporation

    • B. 

      Precipitation

    • C. 

      Snowfall

    • D. 

      Salicious Sediment

  • 10. 
    Heat is being released into the air. Gas is turning to liquid and hydrogen bonds are being MADE. This is releasing heat and energy. 
    • A. 

      Evaporation

    • B. 

      Snowfall

    • C. 

      Precipitation

    • D. 

      Hydrothermal Vent Warming

  • 11. 
    When NaCl bonds with H20, what bonds with what? 
    • A. 

      Cl- bonds with O-, NA+ bonds with H+

    • B. 

      O- bonds with Na+, Cl- bonds with H+

    • C. 

      O+ bonds with Cl-, Na- bonds with H-

  • 12. 
    Salinity is a measurement of the weight of dissolved solids in the water. The avg. ocean salinity is ( ) ppt. The two major salts in the ocean are ( ) and ( ) 
    • A. 

      70 ppt. phosphate, silica

    • B. 

      39 ppt. bicarbonate, sodium

    • C. 

      35 ppt. sodium, chloride

    • D. 

      30 ppt. sodium, chlorine

  • 13. 
    These kinds of ions do not follow the rule of constant proportions. the concentration varies, dramatically. It participates in chemical reactions and is utilized by biology. They are also easily precipitated out. Therefore, they have short residence times and are constantly being recycled. 
    • A. 

      Conservative ions

    • B. 

      Nonconservative ions

  • 14. 
    Salinity increases anytime.
  • 15. 
    Salinity decreases when
    • A. 

      Fresh water is being taken away, sea ice

    • B. 

      Fresh water is being taken away, run off and precipitation

    • C. 

      Fresh water is being added, run off and precipitation

    • D. 

      Fresh water is being taken away, icebergs melting

  • 16. 
    O2 and CO2 distribution.. in surface oxygen is ( ) and co2 is ( ). At depths oxygen is ( ) and co2 is ( ) 
    • A. 

      High, low, low, high

    • B. 

      Low, low, high, high

    • C. 

      Low, high, high, low

  • 17. 
    The pH of sea water is around ( ), meaning it is slightly ( ) 
    • A. 

      7, neutral

    • B. 

      8, acidic

    • C. 

      8, basic

    • D. 

      3, acidic

  • 18. 
    Co2 mixes with h2o, creating ( ). This acts as a buffer system and keeps the pH of the ocean from changing very much. 
    • A. 

      Nucleic acid

    • B. 

      Hydrogen

    • C. 

      Carbon dioxide

    • D. 

      Carbonic acid

  • 19. 
    At depths, there is more Co2. It is cold, deep and pressure-filled- it can hold more gas in places like this. This makes waters more acidic. Acidity creates a CCD, which causes organisms like ( ) to dissolve below the CCD point. 
    • A. 

      Pcynoclines

    • B. 

      Diatoms

    • C. 

      Forams

    • D. 

      Plankton

  • 20. 
    ( ) is a rapid change in density, where ( ) is a rapid change in temperature
    • A. 

      Pycnocline, thermocline

    • B. 

      Thermocline, pycnocline

    • C. 

      Ccd,ddc

    • D. 

      Ddc,ccd

  • 21. 
    Sound travels ( ) and ( ) in sea water.
    • A. 

      Slower, shorter distances

    • B. 

      Faster, shorter distances

    • C. 

      Slower, farther distances

    • D. 

      Farther, faster

  • 22. 
    Light penetrates water by