Ocean 115 - Introduction to Oceanography » Spring 2021 » Week 3 Plate Tectonics Post Reading Quiz

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Question #1
Which option lists the three forces that cause the plates to move?
A.   Conduction, Convection and Radiative
B.   Centripetal, Centrifugal and Convection currents
C.   Convection in the mantle, slab pull and ridge push
D.   Convergence, Divergence and Transformative
Question #2
Which concept describes early Earth as separated into layers by gravity, with each deeper layer denser than the layer above?
A.   Tectonic Theory
B.   Seismology
C.   Continental Drift
D.   Density stratification
Question #3
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.   Sink
B.   Rise
C.   Spread out
D.   Stay the same
Question #4
Oceanographers and seismologists further explored the theory of continental drift during the early- to mid-twentieth century by correlating patterns of earthquakes and ____.
A.   Tectonic plates
B.   Volcanoes
C.   Isostatic equilibrium
D.   Convection currents
Question #5
Where is the youngest seafloor found?
A.   Not enough information to tell
B.   This is a trick questions. All the seafloor is the same age.
C.   At mid-ocean ridges
D.   At continental marrgins where the seafllor abuts the continent
Question #6
The compressional movement of plate boundaries, such as observed at the Juan De Fuca plate, is representative of which type of boundary?
A.   Transform
B.   Spreading center
C.   Convergent
D.   Divergent
Question #7
At what type of Plate Boundary do earthquakes occur at multiple depths: shallow, intermediate and sometimes also deep?
A.   Mid-ocean ridges
B.   Transform
C.   Divergent
D.   Subduction zones
Question #8
Which landscape is an example of a divergent boundary?
A.   Cascade Mountains
B.   Aleutian Islands
C.   San Andreas
D.   Mid-Atlantic Ridge
Question #9
The lateral movement at transform boundaries causes what type of force?
A.   Extension
B.   Compression
C.   Torque
D.   Shear

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