Plate Tectonics Question Preview (ID: 35993)


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What structure can form as a result of a divergent boundary?
a) a continental volcanic arc due to the collision of two plates
b) a continental mountain due to the collision of two plates
c) a mid-ocean ridge, due to the separation of two plates
d) an ocean trench, due to the separation of two plates

Which would produce the most severe earthquake along the surface of Earth?
a) an earthquake with a deep focus and a magnitude of 2.5
b) an earthquake with a shallow focus of 2.5
c) an earthquake with a deep focus and a magnitude of 4.5
d) an earthquake with a deep focus and a magnitude of 4.5

Scientists are studying a graph showing the time differences between the seismic P-waves and the Seismic S-waves as they travel through Earth. Which information can they learn from this graph?
a) the magnitude of an earthquake
b) the duration of an earthquake
c) the epicenter of an earthquake
d) the intensity of an earthquake

Which suggested to early cartographers that the continents were once joined?
a) ocean depth
b) position of south pole
c) shape of continents
d) size of Atlantic Ocean

What was Wegener's hypothesis called?
a) seafloor spreading
b) plate tectonics
c) Continental drift
d) slab pull

Which feature forms along a continental-continental boundary?
a) subduction zones
b) oceanic trenches
c) island arcs
d) folded mountains

The weight of a subducting plate helps pull it into a subduction zone in which process?
a) slab pull
b) ridge push
c) slab push
d) ridge pull

Which is a convergent boundary that does not have a subduction zone?
a) oceanic-oceanic
b) oceanic-continental
c) continental-continental
d) transform

Which observation was used in formulating the hypothesis of seafloor spreading?
a) magnetization of the oceanic crust
b) depth of the ocean
c) thickness of seafloor sediments
d) identifying the location of glacial deposits

What process creates deep sea trenches?
a) subduction
b) magnetism
c) earthquakes
d) transform boundaries

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