Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Which force is involved in the development of surface currents?
a. | gravity | c. | friction | b. | inertia | d. | none of the
above |
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2.
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What is the name of the tidal pattern shown in Figure 16-1?
a. | diurnal | c. | mixed | b. | semidiurnal | d. | none of the
above |
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3.
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Which of the following is NOT associated with upwelling?
a. | increased nutrients at the ocean surface | b. | increased plankton
population | c. | vertical water movements | d. | horizontal water
movements |
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4.
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Which of the following is visible evidence of energy passing through
water?
a. | wave | c. | Coriolis effect | b. | sea arch | d. | density tide |
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5.
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Which of the following is NOT true about a wave in the open ocean?
a. | Water particles move in a circular path. | b. | The wave form moves
forward, but the water particles do not advance appreciably. | c. | Water particles
travel with the wave. | d. | As the wave travels, water particles pass the
energy along by moving in a circle. |
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6.
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Tides are primarily due to
a. | density differences. | c. | salinity differences. | b. | currents. | d. | gravitational attraction. |
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7.
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The energy that drives surface ocean currents comes from ____.
a. | salinity variations | c. | temperature differences | b. | wind | d. | wave
action |
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8.
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One result of wave refraction is that ____.
a. | wave energy is concentrated on headlands projecting into the
water | b. | wave energy is concentrated in the recessed areas between
headlands | c. | wave energy is largely dissipated before the waves reach shore | d. | headlands are
enlarged because sediment is deposited on their seaward side |
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9.
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Density currents move ____.
a. | horizontally | c. | from north to south | b. | vertically | d. | from south to
north |
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10.
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Circular orbital motion refers to ____.
a. | ocean density currents | b. | water particles and the transfer of
energy | c. | tidal patterns | d. | the movement of sediment along
coasts |
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