Ocean 115 - Introduction to Oceanography » Spring 2021 » Week 4 Bathymetry Post Reading Quiz

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Question #1
What marks the true division between continents and oceans?
A.   Abyssal plains
B.   Coastlines
C.   Coastal deep-sea trenches
D.   Granite-basalt transitions
Question #2
What characteristic of continental crust accounts for more than half of Earth's solid surface being below sea level?
A.   Continental crust is thinner than oceanic crust.
B.   Continental crust is both less dense and thinner than oceanic crust.
C.   Continental crust is less dense than oceanic crust.
D.   Continental crust is denser than oceanic crust.
Question #3
Passive margins are also referred to as ____.
A.   Atlantic-type margins
B.   Pacific-type margins
C.   Converging-type margins
D.   Basin-type margins
Question #4
Most geologists believe that submarine canyons have been formed by ____
A.   Sea level changes
B.   Volcanoes
C.   Subduction
D.   Turbidity currents
Question #5
What process gives trenches their unique arc-shaped depressions?
A.   Spreading
B.   Subduction
C.   Turbidity
D.   Erosion
Question #6
Which of the following features is typically associated with divergent plate motion?
A.   Deep-sea trench
B.   Abyssal plain
C.   Oceanic ridge
D.   Continental shelf
Question #7
Which of the following contribute to guyot formation?
A.   thermal contraction
B.   movement along fracture zone
C.   submarine volcanism, erosion and thermal contraction
D.   erosion
E.   submarine volcanism
Question #8
Which of the following are true of submarine canyons
A.   They spill out onto the deep seafloor as abyssal fans
B.   They begin at mid-ocean ridges and stretch out onto the abyssal plain
C.   They are carved by turbidity currents, they spill out onto the deep seafloor as abyssal fans and they cut through sediments of the continental shelf, slope and rise
D.   They cut through sediments of the continental shelf, slope and rise
Question #9
Which features are found in association with subduction zones?
A.   trenches, arc volcanoes and shallow, intermediate and sometimes deep earthquakes
B.   arc volcanoes and hot spot volcanoes
C.   shallow, intermediate and sometimes deep earthquakes
D.   hot spot volcanoes
Question #10
Which of the following is most sensitive to changes in sea level?
A.   Continental rise
B.   Continental slope
C.   Continental shelf
D.   Hydrothermal vents

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