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The theory of plate tectonics explains that earth’s lithosphere moves due
to the unbalanced forces occurring within the mantle. Alfred Wegner
was one of the first scientists to collect scientific evidence in an effort to
prove that earth’s tectonic plates drifted. Which of the following pieces
of evidence was not found during Wegner’s lifetime?
A Geographic features on various coastlines that appear to match.
B Matching reptilian fossils on various continents separated by ocean.
C Glaciers in the warmer areas showing evidence of their formation in
colder regions.
D Rock with matching magnetic field signatures on either side of the Mid
Atlantic Ridge.
Which is the best evidence that continents that are now separated were
once joined?
A Continents that were once joined now have similar climates.
B Identical plant and animal fossils are found on continents that are now
separated.
C The cultures of the people on separated continents have similar
languages.
D The migratory patterns of wildlife on separated continents are similar.
Which statement is the best evidence for the conclusion that faults
and volcanoes are results of the movement of tectonic plates?
A Volcanoes are most often located in the middle of tectonic plates
B New volcanoes are located near inactive plate boundaries
C Faults and volcanoes existed before there were any tectonic plates
D Faults and volcanoes are often found at tectonic plate boundaries
The Pangea theory of a single, massive land mass that may have broken
apart into what we associate with the modern land masses and major
continents was first supported by what significant evidence?
A Similar climate and weather patterns on continents very remote from
each other.
B Fossil evidence of identical species on continental coastal regions of
continents separated by oceans.
C Extensive volcanoes present in the pacific “Rim of Fire,” on both side of
the Pacific ocean.
D Basalt mineral formations found on the west coast of Africa and the east
coast of South America.
The modern model of plate tectonic theory suggests that the continents
and the major tectonic plates drift slowly on —
A
B
C
D
the ocean
the Earth’s core
the upper layer of the Earth’s mantle
the atmosphere
Which student correctly identified the geologic process that formed the Himalayan mountains?
A Student 1
B Student 2
C Student 3
D Student 4
A fossil layers
B islands
C deep-sea trench
D rift valley
The folding and faulting of rocks is caused by
A the movement of tectonic plates
B ancient weathering and erosion
C sediments deposited by rivers
D magnetic reversals of the North and South Poles
When the sea floor spreads apart, volcanoes such as those along the
Ring of Fire and ridges such as the Mid-Atlantic Ridge are formed
because —
A sediments are deposited where the floor spreads, causing volcanoes
B as the plates pull apart, magma moves to the surface, building ridges
C ocean water erodes the weak spots on tectonic plates, building ridges
D cold ocean water causes fissures that weaken the rocks, causing
ridges