Earth Science Exam #2 The Ocean

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

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