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Continental Drift and Plate Tectonics
Continental Drift and Plate Tectonics
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High School Earth Science Continental Drift and Plate Tectonics
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1
What is C?
central rift
mid-ocean ridge
magma
cold, old, thick crust
2
the layer of rock between Earth’s crust and core
lithosphere
mantle
outer core
asthenosphere
3
Because of the property of
paleomagnetism
,
ironrock show the location of magneticpole when they formed.
all rocks have a reversed polarity.
all rocks, have the same polarity.
rocks do not possess magnetic properties.
4
Tensional stresses commonly cause which of the following faults?
thrust faults
strike-slip faults
reverse faults
normal faults
5
According to Wegener’s hypothesis of continental drift,
Earth is slowly cooling and shrinking.
the continents do not move.
the continents were joined together in a single landmass.
Earth’s surface is made up of seven major landmasses.
6
The supercontinent in the continental drift hypothesis was called
Mesosaurus.
Africa.
Pangaea.
Panthalassa.
7
What feature is labeled A in Figure 9-2?
continental volcanic arc
volcanic island arc
trench
subduction zone
8
According to Wegener, Pangaea began breaking up during the
Paleozoic Era
Precambrian Period
Cenozoic Era
Mesozoic Era
9
At the center of a mid-ocean ridge is a(n)trench.d.subduction zone.
subduction zone
fracture zone.
deep-ocean
rift valley.
10
A collision between
two pieces of continental crus
t at a converging boundary produces a
mid-ocean ridge.
rift valley.
mountain range.
deep-ocean trench.
11
A terrane becomes part of a continent at a _________________ boundary.
Divergent
Convergent
Mid-Ocean ridge
Transform
12
What mechanism of subduction at D illustrated in Figure 9-2?
slab pull
seafloor spreading
magnetic reversal
ridge push
13
What happens when two oceanic plates collide?
The denser plate subducts.
The less dense plate fractures.
The denser plate fractures.
The less dense plate subducts.
14
What is the correct order (starting from the surface) of Earth’s layers?
mantle, outer core, inner core, crust
crust, mantle, outer core, inner core
crust, outer core, inner core, mantle
outer core, inner core, crust, mantle
15
fault that results when rock on either side slides horizontal in response to shear stress?
normal
strike-slip
thrust
reverse
16
A fault in which the hanging wall moves down relative to the footwall is a
thrust fault.
.strike-slip fault
normal fault.
reverse fault.
17
What type of plate boundary is illustrated in Figure 9-2?
convergent continental-continental boundary
divergent boundary
convergent oceanic-oceanic boundary
convergent oceanic-continental boundary
18
The Himalayas in South Asia are an example of what type of plate boundary?
transform fault boundary
divergent boundary
convergent oceanic-continental boundary
convergent continental-continental boundary
19
Volcanic island arcs
are associated with what type of plate boundary?
convergent continental-continental boundary
divergent boundary
convergent oceanic-oceanic boundary
convergent oceanic-continental boundary
20
Earth interior is warm than its surface layer, hot materials move toward surface in a process
energy balancing.
rotation.
energy transfer.
convection.
21
Which of the following results when
divergence
occurs between
two oceanic plates
?
an ocean trench
seafloor spreading
a volcanic island arc
a subduction zone
22
What type of plate boundary is illustrated in Figure 9-1?
divergent boundary
transform fault boundary
convergent oceanic-continental boundary
convergent oceanic-oceanic boundary
23
What is the major type of stress that occurs at convergent plate boundaries?
tensional stress
shear stress
compressional stress
erosional stress
24
the solid center of the earth made of heavy metals
mantle
outer core
inner core
asthenosphere
25
plate boundary occur when two plate grind past each other without destroying/producing crust?
transitional boundary
convergent boundary
divergent boundary
transform fault boundary
26
What type of fault is pictured in the diagram
strike slip
reverse
normal
abnormal
27
Heat transfer within a fluid takes place by
radiation.
density.
convection currents.
conduction.
28
Which of the following is a geographic example of a transform fault boundary?
the San Andreas Fault
the Mid-Atlantic Ridge
the East African Rift valley
the Andes Mountains
29
the solid, outer layer of Earth that consists of the crust and rigid upper part of the mantle
mantle
lithosphere
asthenosphere
outer core
30
Deep ocean trenches are associated with
rift zones.
transform fault boundaries.
ocean ridge systems.
subduction zones.
31
Subduction zones form at .
only oceanic-oceanic boundaries
both O-O boundaries and O-C boundaries
only oceanic-continental boundaries
neither O-O boundaries or O-C boundaries
32
Earth’s inner core is solid because of
its great diameter.
extreme temperatures.
immense pressure.
the composition of its rock.
33
What is D?
magma
central rift
mid-ocean ridge
cold, old, thick crust
34
Which label best summarizes the trend represented by the arrow in the diagram?
decreasing density
decreasing age
increasing age
increasing temperature
35
What feature is labeled B in Figure 9-1?
ocean ridge
trench
volcanic island arc
continental volcanic arc
36
What is B?
mid-ocean ridge
central rift
magma
cold, old, thick crust
37
In the diagram above, the rocks in Block 1 form
an anticline.
a hanging wall.
a footwall.
a syncline.
38
What was the main reason Wegener’s continental drift hypothesis was
REJECTED
?
He was not well liked by other scientists.
provided illogical explanation for the movement of continent
could not provide a mechanism for movement of continents.
His evidence was incorrect.
39
What characteristic defines a reverse fault?
The hanging wall moves upward relative to the footwall.
The hanging wall moves downward relative to the footwall.
Blocks slide past each other.
Tensional thrusts the fault into reverse.
40
evidence in
tropics of Africa and S. America
supports the theory that the continent were join?
mountain chains
land bridges
glacial debris
coal deposits
41
The hot liquid layer that is
below
the mantle
asthenosphere
mantle
lithosphere
outer core
42
Compressional stresses can result in the formation of
horsts and grabens.
normal faults.
reverse faults.
strike slip faults.
43
Tectonic plates are blocks of
asthenosphere.
magma.
lithosphere.
water.
44
What is A?
cold, old, thick crust
mid-ocean ridge
central rift
magma
45
What layer of Earth is labeled C in Figure 8-2?
the mantle
the inner core
the lithosphere
the asthenosphere
46
Continental volcanoes are associated with what type of plate boundary?
transform fault boundary
convergent continental-continental boundary
convergent oceanic-continental boundary
convergent oceanic-oceanic boundary
47
What process is illustrated by the area labeled D in Figure?
rifting
subduction
continental volcano
seafloor spreading
48
In sea-floor spreading, molten material rises from the mantle
along the edges of all the continents.
along mid-ocean ridges.
at the north and south poles.
in deep-ocean trenches.
49
examining rocks
from both sides of the
Mid-Atlantic Ridge
, scientists found phenomenon of
microplate terranes.
magnetic reversal.
volcano formation.
convection currents.
50
Convection, ridge push, and slab pull work together to produce
tectonic plate motion.
earthquakes.
continental lithosphere.
fracture zones.
51
the strong, upper part of the mantle
asthenosphere
mantle
outer core
lithosphere
52
What layer of Earth is labeled E in Figure 8-2?
the outer core
the asthenosphere
the mantle
the lithosphere
53
Panthalassa was the name Wegener chose to describe
a huge, ancient ocean.
fossil remains on the coast of Africa.
the Mid-Atlantic Ridge.
the continent of South America
54
In which of the Earth’s Layers do convection currents occur?
in the asthenosphere
in the outer core
in the inner core
in the lithosphere
