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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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Question Excerpt

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