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Earth Science Exam #2 The Ocean

55 Questions  I  By Hcarmikel
Earth Science Quizzes & Trivia
Test on Ocean Sediments, Ocean Floor, El Nino and La Nina

  
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1.  An echo sounder operates by measuring the time required for a ________.
A.
B.
C.
D.
2.  Which one of the following would you NOT associate with turbidity currents?
A.
B.
C.
D.
3.  Which ocean has the greatest average depth?
A.
B.
C.
D.
4.  ________ manganese nodule
A.
B.
C.
5.  Calcium carbonate is most likely to dissolve in water with which characteristics?
A.
B.
C.
D.
E.
6.  Sediments which are poorly sorted and made of a variety of minerals could have been deposited by: . .
A.
B.
C.
D.
E.
7.  ________ turbidite deposits
A.
B.
C.
8.  Submerged, flat-topped seamounts are known as guyots.
A.
B.
9.  ________ abyssal plain clay
A.
B.
C.
10.  The gently sloping submerged surface extending from the shoreline toward the deep ocean is termed the ________.
A.
B.
C.
D.
11.  High energy environments are most likely to contain which one of the following?
A.
B.
C.
D.
E.
12.  The Atlantic and Pacific basins have oceanic ridges; the Indian Ocean has no oceanic ridge
A.
B.
13.  Turbidites and siliceous oozes are both biogenous sediments.
A.
B.
14.  How do calcareous oozes form?
A.
B.
C.
D.
15.  Seafloor hot springs occur mainly in oceanic, abyssal plains.
A.
B.
16.  Which of the following contains silica (SiO2)?
A.
B.
C.
D.
E.
17.  Submarine canyons form the deepest parts of the ocean basins.
A.
B.
18.  The continental rise lies at the bottom of the continental slope.
A.
B.
19.  The ________ marks the transition between the warm surface layer and the deep zone of cold water in the oceans.
A.
B.
C.
D.
20.  Biogenous sediments are indicated by the number(s):
A.
B.
C.
D.
21.  Calcareous oozes are represented by the number(s);
A.
B.
C.
D.
22.  Compared to the Southern Hemisphere, a higher percentage of the Northern Hemisphere is water covered.
A.
B.
23.  The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:
A.
B.
C.
D.
24.  The surface waters in regions where evaporation rates are high, such as the Red Sea, have higher than average salinities
A.
B.
25.  Which of the following is not an important control on oceanic sediment accumulation?
A.
B.
C.
D.
E.
26.  The ________ Ocean has more extensive abyssal plains than the Pacific Ocean because it has fewer trenches to trap sediments moving down the continental slope.
A.
B.
C.
D.
27.  The most likely place to find abundant manganese nodules is on the:
A.
B.
C.
D.
E.
28.  Which of the following is NOT true of deep ocean trenches?
A.
B.
C.
D.
29.  ________ develop where oceanic lithosphere bends downward and sinks into the mantle.
A.
B.
C.
D.
30.  The major force bringing continental sediments to the open ocean is (are): .
A.
B.
C.
D.
E.
31.  The ________ Ocean is largest
A.
B.
C.
D.
32.  The continental rise is located ________.
A.
B.
C.
D.
33.  Seamounts ________.
A.
B.
C.
D.
34.  Sand, silt, and clays deposited on the ocean floor are described as terrigenous sediments
A.
B.
35.  It is thought that submarine canyons on the continental slope have been generated by ________
A.
B.
C.
D.
36.  Minerals that crystallize directly from seawater are examples of ________.
A.
B.
C.
D.
37.  The oceans cover approximately ________ percent of Earth's surface.  
A.
B.
C.
D.
38.  The BEST definition of the outer edge of the continental shelf is that point where ________.
A.
B.
C.
D.
39.  Which one of the following concerning mid-ocean ridges is false?
A.
B.
C.
D.
40.  Submarine canyons found on the continental slope and are believed to have been created ________.
A.
B.
C.
D.
41.  ________ quartz sand
A.
B.
C.
42.  Which of the following contains calcium carbonate (CaCO3)?
A.
B.
C.
D.
E.
43.  "Black smokers" are associated with ________.
A.
B.
C.
D.
44.  Sediments that are derived primarily from the weathering on continental material are indicated by the number(s):
A.
B.
C.
D.
45.  The sediments that are produced in areas of high primary productivity are indicated by the number(s):
A.
B.
C.
D.
46.  A very important way to increase the settling rate of fine particles in the open ocean is via: .
A.
B.
C.
D.
E.
47.  Which of the following is associated with ocean ridges?
A.
B.
C.
D.
48.  Concerning the distribution of land and water, which of the following statements is true?
A.
B.
C.
D.
49.  Which one of the following salts is most abundant in seawater?
A.
B.
C.
D.
50.  ________ calcareous ooze
A.
B.
C.
51.  Manganese nodules do not accumulate below 4500 meters depth because the manganese minerals are highly soluble in seawater below that depth.
A.
B.
52.  The crests of mid-oceanic ridges ________.
A.
B.
C.
D.
53.  ________ diatom ooze
A.
B.
C.
54.  A pelagic clay contains lots of material that settles to the seafloor through the water column and are:
A.
B.
C.
D.
E.
55.  Which one of the following is NOT part of the continental margin?
A.
B.
C.
D.
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