Ocean 115 - Introduction to Oceanography » Spring 2022 » Exam 1 Part 1
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Question #1
Internal heat reaches the Earth’s surface by:
A.
mainly conduction
B.
the geothermal gradient
C.
equal amounts of convection and conduction
D.
mainly convection
Question #2
Ancient Greek mathematicians proved that the Earth was round.
A.
False
B.
True
Question #3
When compared to the oldest rocks continental, the oldest rocks on the ocean floor are:
A.
slightly older
B.
significantly younger
C.
significantly older
D.
from the same age
Question #4
The first scientific voyage to explore the ocean floor for scientific research was ___________.
A.
H. M. S. Beagle
B.
H.M.S. Challenger
C.
U. S. S. Constitution
D.
U.S. S. Exploring Expedition
Question #5
The layer below the lithosphere is the ______________________________.
A.
mantle
B.
the inner core
C.
asthenosphere
D.
outer core
Question #6
Hutton’s phrase, “(The) present is the key to the past.” relates to:
A.
catastrophism
B.
anthropology
C.
uniformitarianism
D.
plate tectonics
Question #7
The oldest rocks in the Atlantic Ocean are found:
A.
at the subducting trench off Morocco
B.
at the spreading ridge
C.
off the coast of Iceland
D.
directly off the coast of Morocco and the eastern United States
Question #8
Which is not a type of plate margin?
A.
divergent
B.
consequent
C.
transform
D.
convergent
Question #9
Mountains cannot be formed in convergent boundary settings.
A.
True
B.
False
Question #10
The reason why the continental crust does not subduct is ____________.
A.
all of the other choices
B.
temperature of the continental crust compared to the mantle
C.
isostasy
D.
magnetism
Question #11
Earthquakes depth is greater in a subduction zone when compared to a divergent boundary.
A.
True
B.
False
Question #12
In general, the smaller the clast size of a sedimentary grain then the closer it was deposited towards the land.
A.
True
B.
False
Question #13
The speed of seismic waves can be used to indicate the type of rock (i.e., seismic waves travel at different speeds through different rock types).
A.
False
B.
True
Question #14
Trenches are only associated with convergent plate boundaries ________.
A.
True
B.
False
Question #15
The tendency of water molecules to stick to each other is called?
A.
Cohesion
B.
Isostasy
C.
Ablation
D.
Adhesion
E.
Thermostatic inertia
F.
Absorption
Question #16
Southern California represents a transform boundary.
A.
True
B.
False
Question #17
Convergent settings are places on the Earth’s crust where two plates collide with each other?
A.
True
B.
False
Question #18
An important consequence of Pangaea's breakup was the creation of Atlantic ocean basin.
A.
False
B.
True
Question #19
S waves have a shadow zone because P waves bend as they pass through different rock layers.
A.
True
B.
False
Question #20
S waves have a shadow zone because they cannot pass through certain layers of the Earth’s interior.
A.
False
B.
True
Question #21
Rounding tell you how far sediments have traveled.
A.
True
B.
False
Question #22
Sedimentary rocks cannot record sea level changes.
A.
False
B.
True
Question #23
Which layer of the Earth is molten?
A.
Crust
B.
Outer core
C.
Inner core
D.
Mantle
Question #24
Continental-continental collision will cause a change in mantle convection.
A.
False
B.
True
Question #25
Which mineral is important for trapping carbon dioxide gas?
A.
olivine
B.
k-feldspar
C.
biotite
D.
quartz
E.
calcite
F.
muscovite
Question #26
Which of the following islands were produced from hot spot activity?
A.
Catalina
B.
Long Island
C.
Greenland
D.
Hawaii
E.
Great Britain
F.
Sicily
Question #27
Ooze is classified by ___________.
A.
the shoreline it is found on
B.
the age it was deposited
C.
the type of life form that made it
D.
the color it is
E.
the position it is found in the ocean
F.
the ocean floor it is found on
Question #28
Glacial deposits found 280 million year ago in India indicate __________.
A.
that glaciers are unpredictable and prone to occur anywhere on Earth
B.
that India used to be closer to the poles
C.
D.
the Sun used to generate much less heat at that time in Earth's hostory
E.
all of the other choices
F.
that the Earth was once much colder
Question #29
At convergent plate boundaries, one would expect to find ______.
A.
earthquakes & volcanoes at all settings
B.
volcanoes only
C.
earthquakes only
D.
earthquakes in all & volcanoes in some but not in all settings
Question #30
New oceanic crust is formed at ____________.
A.
Transform boundaries by submarine eruptions and intrusions of basaltic magma
B.
Convergent boundaries by submarine eruptions and intrusions of rhyolitic magma
C.
Divergent boundaries by submarine eruptions and intrusions of rhyolitic magma
D.
Transform boundaries by submarine eruptions and intrusions of rhyolitic magma
E.
Divergent boundaries by submarine eruptions and intrusions of basaltic magma
F.
Convergent boundaries by submarine eruptions and intrusions of basaltic magma
Question #31
Geographically speaking where can we generally find island arcs?
A.
Only in the southern hemisphere
B.
Along the edge of a continental plate on the landward side of a subduction zone
C.
Along the edge of the mid-ocean ridge
D.
Only in the northern hemisphere
E.
Along the edge of a continental plate on the seaward side of a subduction zone
Question #32
________ waves travel through the Earth’s interior but cannot pass through those layers that are liquid.
A.
S
B.
P
C.
L
D.
Q
Question #33
Convection is the name of the process by which new seafloor is generated at mid-ocean ridges.
A.
False
B.
True
Question #34
What type of rock is most likely to be found at a mid-ocean ridge?
A.
conglomerate
B.
granite
C.
basalt
D.
limestone
E.
sandstone
F.
gypsum
Question #35
Evaporites form in the ocean because of ______________.
A.
volcanism
B.
high salinity
C.
increased solar energy
D.
low salinity
E.
tide settings
Question #36
Chalk forms due to the collection of?
A.
silica shells from ocean plankton in the deep sea
B.
calcite shells from ocean plankton in the deep sea
C.
calcite shells from ocean plankton in the shallow ocean
D.
quartz sand grains on the deep ocean floor
Question #37
The point where an earthquake is generated is called the __________.
A.
fault scarp
B.
epicenter
C.
focus
D.
earthquake’s center
E.
magnitude
Question #38
A quartz sandstone would most likely be deposited ______________.
A.
in the deep sea
B.
from a coral reef
C.
at the beach
D.
on the side slope of a mountain
Question #39
Natural gas and oil are deposited in the ocean through the burial and heating of planktonic organic remains
A.
True
B.
False
Question #40
S waves have a shadow zone because they cannot pass through certain layers of the Earth’s interior.
A.
True
B.
False
Question #41
All stars will go supernovae.
A.
True
B.
False
Question #42
Asteroids will always be detected many years before they can collide with the Earth.
A.
True
B.
False
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