Ocean 115 - Introduction to Oceanography » Spring 2022 » Exam 1 Part 2
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Question #1
The ocean ridge is _____________.
A.
a submarine canyon
B.
mountainous chain of young, basaltic rock
C.
an oceanic trench
D.
mountainous chain of young, granitic rock
Question #2
Which of the following lists is written in order of decreasing clast or grain size?
A.
sandstone, siltstone, conglomerate
B.
conglomerate, sandstone, siltstone
C.
breccia, siltstone, conglomerate
D.
sandstone, conglomerate, siltstone
E.
siltstone, sandstone, conglomerate
F.
sandstone, siltstone, breccia
Question #3
All of the following are chemical sedimentary rocks except ___________.
A.
conglomerate
B.
chert
C.
chalk
D.
limestone
E.
halite
F.
gypsum
Question #4
Why are corals slowing dying worldwide?
A.
increase nutrients from human activity
B.
changes in temperature
C.
unchecked predation
D.
all of these are causes
Question #5
Sediments that flow down to the abyssal plain are called?
A.
stromatolites
B.
turbidites
C.
chert
D.
pelagic flow
E.
halites
Question #6
If sea level rises in an area then that is know as a ______________.
A.
regression
B.
isostatic rebound
C.
transgression
D.
subsidence
Question #7
A “well sorted” is one in which the grains are nearly all the same _________________________.
A.
density
B.
size
C.
volume
D.
weight
Question #8
Lithified clastic sediments produce clastic sedimentary rock. Rocks in this category are mainly defined by what characteristic?
A.
weight
B.
origin
C.
color
D.
grain size
E.
mineral percent
Question #9
How long an element or compound will remain in the ocean is known as the?
A.
calcium compensation depth
B.
capillary time
C.
green zone
D.
life time
E.
red zone
F.
residence time
Question #10
________ has the highest latent heat of vaporization of any known substance.
A.
Antifreeze
B.
Oil
C.
Magma
D.
Water
E.
Liquid nitrogen
Question #11
________ light penetrates to the shallowest depth in the ocean.
A.
Blue
B.
Yellow
C.
Green
D.
Orange
E.
Red
Question #12
You collect a sediment core from a continental rise that shows successive graded beds deposited one on top of another. Each graded bed has coarse material deposited below finer material. This is evidence of:
A.
Subduction Zone
B.
turbidites
C.
River beds
Question #13
Which geological processes explains why the ocean floors are so young?
A.
turbidites
B.
halites
C.
Subduction Zone
Question #14
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
It will rise
B.
remains the same
C.
it will fall
Question #15
Deep earthquakes typically occur at _____________.
A.
Fracture Zone
B.
Subduction Zone
C.
Passive continental margin
Question #16
What occurs below the calcium carbonate compensation depth?
A.
Calcite dissolves
B.
Stromatolites dissolves
C.
Turbidites dissolves
Question #17
Which particle size has the slowest settling velocity in still water?
A.
Mud
B.
Sand
C.
Peeble
Question #18
Gases dissolve _____________.
A.
more readily in warm water than cold water
B.
unpredictably
C.
equally well in both warm and cold water
D.
more readily in cold water than warm water
Question #19
The speed of sound is ____________.
A.
slower in water than in air
B.
faster in water then in air
C.
sometimes faster and sometimes slower
D.
dependant upon the electrical charge of the water
Question #20
All are colligative properties of water except?
A.
As salinity increases, freezing point increases
B.
As salinity increases, evaporation slows
C.
As salinity increases, freezing point decreases
D.
The heat capacity of water decreases with increasing salinity
Question #21
You make the following observations as you walk up a trail through younger and younger sedimentary rocks : (1) bottom layers are limestone; (2) middle layers are shale; (3) upper layers are sandstone. Which is the best interpretation of the rock section at this location?
A.
It was a glacial environment
B.
It was deposited in an arid environment as sand dunes
C.
The rock section records a relative raising of sea level
D.
The rock section was deposited in a river system, perhaps near where the river flows into an ocean
E.
The rock section was deposited in the Mesozoic
F.
The rock section records a relative lowering of sea level
Question #22
The process by which an originally homogeneous Earth developed a dense core and a light crust is called?
A.
convection
B.
differentiation
C.
conduction
D.
accretion
Question #23
The Moon likely formed from _____________.
A.
as part of the Pacific Ocean floor that spiraled out into space
B.
away from the Earth and was captured by the Earth’s gravity
C.
a large impact to the Earth
D.
at the same time as the Earth as a smaller accreting body
E.
by a large impact with Mars
Question #24
When considering evidence of glaciation on the southern continents, why did Wegener reject the explanation that the entire planet had experienced a period of extreme cooling?
A.
Because geologic evidence supported the existence of tropical swamps in the Northern Hemisphere at the same time as the glaciers existing in the Southern continents
B.
Because he knew the "glacial debris" was actually a misinterpreted landslide
C.
Because he just didn't like the idea
D.
Because the glacial debris was localized to a few small mountain valleys
Question #25
The correct order of star life cycle is?
A.
Protostar then Main sequnce then Giant then Novae then Dwarf.
B.
Dwarf then Main sequnce then Giant then Novae/Supernovae
C.
Novae/Supernovae then Protostar then Dwarf then Main sequnce then Giant
D.
Dwarf then Protostar then Main sequnce then Giant then Novae/Supernovae
E.
Protostar then Dwarf then Main sequnce then Giant then Novae/Supernovae
F.
Novae/Supernovae then Dwarf then Protostar then Main sequnce then Giant
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