stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Plate Tectonics Flashcards | StudBud
Explore
/
Plate Tectonics
Plate Tectonics
50 terms
·
StudBud Administration
·
1,486 plays
Imported from external platform
Flashcards
50 cards
F
Practice quiz
P
Host live
L
Questions
50
Answers
1
Which of the following is a type of volcano that is formed by runny lava?
a cinder cone volcano
a composite volcano
a shield volcano
a stratovolcano
2
Long undersea mountain chains that form at divergent boundaries are called...
mantle plumes.
mid-ocean ridges.
subduction zones.
hot spots.
3
In the diagram below, which of the following has formed at A?
none of the above
a mid-ocean ridge
a transform boundary
an ocean trench
4
What type of mountain is the only one that is formed by adding new material to the Earth's surface?
normal
fault-block
volcanic
folded
5
Earth's oceanic crust is ____ than the continental crust.
thinner but denser
thinner and less dense
thicker but less dense
thicker and denser
6
A type of fault in which the hanging wall moves up relative to the foot wall is called a...
reverse fault.
normal fault.
fault block.
strike-slip fault.
7
A ____ fault often results when opposing forces cause rock to break and move horizontally.
normal
block
reverse
strike-slip
8
In the diagram below, which type of boundary is occurring at A?
a convergent boundary
a strike-slip boundary
a divergent boundary
a transform boundary
9
Which point in the illustration represents the focus of the earthquake?
point C
point A
point B
point D
10
Which of the following is a type of volcano that is made entirely of pyroclastic material (cinders, ash, etc.)?
a stratovolcano
a cinder cone volcano
a composite volcano
a shield volcano
11
Molten rock material that has reached the Earth’s surface is called _____.
lava
magma
silica
crust
12
The ancient continent that contained all the landmasses is called...
Laurasia.
Gondwana.
Panthalassa.
Pangaea.
13
The outermost, rigid layer of the Earth is called the...
asthenosphere.
outer core.
lithosphere.
mesosphere.
14
The
solid
, dense center of our planet is called the
asthenosphere.
inner core.
mesosphere.
outer core.
15
Which layer of the Earth is made up of tectonic plates?
lithosphere
mesosphere
asthenosphere
core
16
Most earthquakes occur along or near the edges of the Earth's
oceans.
continents.
rivers.
tectonic plates.
17
Which of the following appears to cause movement of Earth's tectonic plates?
energy from volcanic activity
convection currents below the lithosphere
faults in mountain ranges
magnetic-pole reversals
18
Strike-slip faults occur along ____ plate boundaries
transform
divergent
transcontinental
convergent
19
Which type of seismic wave travels the fastest?
a surface wave
an L wave
a P wave
an S wave
20
Which type of lava erupts and cools underwater, forming rounded lumps?
blocky lava
aa
pahoehoe
pillow lava
21
The type of fault in which the hanging wall moves down relative to the foot wall is called...
fault block.
normal.
reverse.
strike-slip.
22
The ____ is made of solid rock that flows very slowly.
outer core
lithosphere
asthenosphere
mesosphere
23
_____ can form when molten rock in the Earth’s mantle burns through the crust.
fault block mountains
cinder cone volcanoes
composite volcanoes
hot spot volcanoes
24
Which of the following statements concerning magnetic reversal is NOT true?
Iron mineral grains in rock on the ocean floor all point the same direction
Magnetic reversals are recorded in rocks on the ocean floor.
none of the above
The north and south magnetic poles have reversed many times in the past.
25
The type of fault that often results when rocks are pulled apart due to tension is called a...
strike-slip fault.
reverse fault.
fault block.
normal fault.
26
Which of the following is not evidence to support the theory of sea-floor spreading?
Iron mineral grains magnetized in opposite directions.
Earthquakes and volcanoes usually always occur near plate boundaries.
The discovery of pillow lava at the mid-ocean ridge
Rocks nearer the mid-ocean ridges are younger than rocks further away.
27
Sea-floor spreading occurs at which type of plate boundary?
a transform boundary
a divergent boundary
all of the above
a convergent boundary
28
The soft layer of the mantle on which pieces of the lithosphere move is called the...
outer core.
asthenosphere.
inner core.
mesosphere.
29
Magma that reaches the Earth's surface may form ____ mountains.
volcanic
fault-block
subducted
all
30
The strong, lower part of the mantle that lies beneath the asthenosphere is called the...
mesosphere.
lithosphere.
outer core.
inner core.
31
Trenches are formed at ____ plate boundaries.
strike-slip
transform
divergent
convergent
32
Fossils of Lystrosaurus have been found in Antarctica, India, and South Africa. This suggests that these areas were once
home to a wide variety of organisms.
covered by oceanic crust.
connected to one another.
made of the same chemical elements.
33
The type of tectonic plate boundary involving a collision between two tectonic plates is...
divergent.
normal.
convergent.
transform.
34
Which of the following was NOT used as evidence to support the theory of continental drift?
the existence of convection currents
the matching of glacial grooves on different continents
the similarity of fossils found on continental coasts
the close fit of continental coastlines
35
When two tectonic plates slide past each other horizontally, the boundary between them is called a...
transform boundary.
convergent boundary.
divergent boundary.
subduction zone.
36
The type of tectonic plate boundary that sometimes has a subduction zone is...
transform.
divergent.
normal.
convergent.
37
Which point in the illustration represents the epicenter of the earthquake?
point C
point B
point D
point A
38
The type of magma that often produces a violent eruption can be described as...
thin due to high silica content.
thin due to low silica content.
thick due to low silica content.
thick due to high silica content.
39
Which of the following theories states that new ocean floor is continuously being created at the mid-ocean ridges?
Continental Drift
Plate Tectonics
Magnetic Reversal
Sea-Floor Spreading
40
What is the minimum number of seismograph stations that is necessary to locate the epicenter of an earthquake?
one
two
three
four
41
The liquid layer that lies beneath the mantle and surrounds the inner core is called the...
lithosphere.
mesosphere.
outer core.
asthenosphere.
42
If a seismograph detects S waves very quickly after it detects P waves, then the earthquake was...
very weak.
nearby.
very strong.
far away.
43
The part of the Earth that is a liquid is the...
crust.
inner core.
outer core.
mantle.
44
Lava that is very runny probably...
is hotter than most lava.
has a low silica content.
comes from explosive volcanoes.
has been cooled below the surface.
45
Continental (folded) mountain ranges are usually associated with...
divergent boundaries.
normal boundaries.
transform boundaries.
convergent boundaries.
46
The ____ is divided into tectonic plates.
asthenosphere
lithosphere
outer core
mesosphere
47
When two tectonic plates move away from one another, the boundary between them is called a...
transform boundary.
subduction zone.
divergent boundary.
convergent boundary.
48
In the diagram below, which of the following has formed at B?
a volcanic mountain
none of the above
a folded mountain
a fault-block mountain
49
The type of fault that often results when rocks are pushed together by compression is called a...
normal fault.
fault block.
strike-slip fault.
reverse fault.
50
Where are volcanoes most likely to form?
in deep canyons
in mountainous areas
along plate boundaries, especially subduction zones.
near the center of continents
