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.
mainly convection
D.
equal amounts of convection and conduction
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.
significantly older
B.
significantly younger
C.
from the same age
D.
slightly older
Question #4
The first scientific voyage to explore the ocean floor for scientific research was ___________.
A.
U. S. S. Constitution
B.
H.M.S. Challenger
C.
U.S. S. Exploring Expedition
D.
H. M. S. Beagle
Question #5
The layer below the lithosphere is the ______________________________.
A.
the inner core
B.
outer core
C.
asthenosphere
D.
mantle
Question #6
Hutton’s phrase, “(The) present is the key to the past.” relates to:
A.
uniformitarianism
B.
catastrophism
C.
anthropology
D.
plate tectonics
Question #7
The oldest rocks in the Atlantic Ocean are found:
A.
off the coast of Iceland
B.
at the spreading ridge
C.
at the subducting trench off Morocco
D.
directly off the coast of Morocco and the eastern United States
Question #8
Which is not a type of plate margin?
A.
consequent
B.
transform
C.
convergent
D.
divergent
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.
isostasy
B.
all of the other choices
C.
temperature of the continental crust compared to the mantle
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.
False
B.
True
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.
True
B.
False
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.
Isostasy
B.
Cohesion
C.
Absorption
D.
Ablation
E.
Adhesion
F.
Thermostatic inertia
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.
False
B.
True
Question #18
An important consequence of Pangaea's breakup was the creation of Atlantic ocean basin.
A.
True
B.
False
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.
True
B.
False
Question #21
Rounding tell you how far sediments have traveled.
A.
True
B.
False
Question #22
Sedimentary rocks cannot record sea level changes.
A.
True
B.
False
Question #23
Which layer of the Earth is molten?
A.
Outer core
B.
Mantle
C.
Crust
D.
Inner core
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.
quartz
B.
olivine
C.
k-feldspar
D.
biotite
E.
calcite
F.
muscovite
Question #26
Which of the following islands were produced from hot spot activity?
A.
Great Britain
B.
Long Island
C.
Sicily
D.
Hawaii
E.
Catalina
F.
Greenland
Question #27
Ooze is classified by ___________.
A.
the type of life form that made it
B.
the shoreline it is found on
C.
the age it was deposited
D.
the color it is
E.
the ocean floor it is found on
F.
the position it is found in the ocean
Question #28
Glacial deposits found 280 million year ago in India indicate __________.
A.
the Sun used to generate much less heat at that time in Earth's hostory
B.
C.
that glaciers are unpredictable and prone to occur anywhere on Earth
D.
that the Earth was once much colder
E.
all of the other choices
F.
that India used to be closer to the poles
Question #29
At convergent plate boundaries, one would expect to find ______.
A.
earthquakes only
B.
earthquakes in all & volcanoes in some but not in all settings
C.
volcanoes only
D.
earthquakes & volcanoes at 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 basaltic magma
C.
Transform boundaries by submarine eruptions and intrusions of rhyolitic magma
D.
Divergent boundaries by submarine eruptions and intrusions of basaltic magma
E.
Divergent boundaries by submarine eruptions and intrusions of rhyolitic magma
F.
Convergent boundaries by submarine eruptions and intrusions of rhyolitic magma
Question #31
Geographically speaking where can we generally find island arcs?
A.
Along the edge of the mid-ocean ridge
B.
Only in the southern hemisphere
C.
Only in the northern hemisphere
D.
Along the edge of a continental plate on the seaward side of a subduction zone
E.
Along the edge of a continental plate on the landward side of a subduction zone
Question #32
________ waves travel through the Earth’s interior but cannot pass through those layers that are liquid.
A.
Q
B.
L
C.
S
D.
P
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.
sandstone
B.
conglomerate
C.
granite
D.
basalt
E.
gypsum
F.
limestone
Question #35
Evaporites form in the ocean because of ______________.
A.
low salinity
B.
volcanism
C.
tide settings
D.
increased solar energy
E.
high salinity
Question #36
Chalk forms due to the collection of?
A.
calcite shells from ocean plankton in the shallow ocean
B.
calcite shells from ocean plankton in the deep sea
C.
quartz sand grains on the deep ocean floor
D.
silica shells from ocean plankton in the deep sea
Question #37
The point where an earthquake is generated is called the __________.
A.
focus
B.
earthquake’s center
C.
epicenter
D.
fault scarp
E.
magnitude
Question #38
A quartz sandstone would most likely be deposited ______________.
A.
in the deep sea
B.
on the side slope of a mountain
C.
at the beach
D.
from a coral reef
Question #39
Natural gas and oil are deposited in the ocean through the burial and heating of planktonic organic remains
A.
False
B.
True
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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