Ocean 115 - Introduction to Oceanography » Spring 2022 » Exam 1 Part 2
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Question #1
The ocean ridge is _____________.
A.
mountainous chain of young, granitic rock
B.
a submarine canyon
C.
an oceanic trench
D.
mountainous chain of young, basaltic rock
Question #2
Which of the following lists is written in order of decreasing clast or grain size?
A.
breccia, siltstone, conglomerate
B.
sandstone, siltstone, breccia
C.
conglomerate, sandstone, siltstone
D.
sandstone, siltstone, conglomerate
E.
siltstone, sandstone, conglomerate
F.
sandstone, conglomerate, siltstone
Question #3
All of the following are chemical sedimentary rocks except ___________.
A.
chert
B.
chalk
C.
limestone
D.
conglomerate
E.
gypsum
F.
halite
Question #4
Why are corals slowing dying worldwide?
A.
all of these are causes
B.
changes in temperature
C.
unchecked predation
D.
increase nutrients from human activity
Question #5
Sediments that flow down to the abyssal plain are called?
A.
turbidites
B.
stromatolites
C.
halites
D.
pelagic flow
E.
chert
Question #6
If sea level rises in an area then that is know as a ______________.
A.
transgression
B.
subsidence
C.
regression
D.
isostatic rebound
Question #7
A “well sorted” is one in which the grains are nearly all the same _________________________.
A.
density
B.
weight
C.
size
D.
volume
Question #8
Lithified clastic sediments produce clastic sedimentary rock. Rocks in this category are mainly defined by what characteristic?
A.
weight
B.
grain size
C.
origin
D.
mineral percent
E.
color
Question #9
How long an element or compound will remain in the ocean is known as the?
A.
calcium compensation depth
B.
residence time
C.
green zone
D.
capillary time
E.
red zone
F.
life time
Question #10
________ has the highest latent heat of vaporization of any known substance.
A.
Water
B.
Antifreeze
C.
Magma
D.
Liquid nitrogen
E.
Oil
Question #11
________ light penetrates to the shallowest depth in the ocean.
A.
Green
B.
Orange
C.
Yellow
D.
Red
E.
Blue
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.
turbidites
B.
Subduction Zone
C.
River beds
Question #13
Which geological processes explains why the ocean floors are so young?
A.
halites
B.
Subduction Zone
C.
turbidites
Question #14
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
it will fall
B.
remains the same
C.
It will rise
Question #15
Deep earthquakes typically occur at _____________.
A.
Subduction Zone
B.
Fracture Zone
C.
Passive continental margin
Question #16
What occurs below the calcium carbonate compensation depth?
A.
Stromatolites dissolves
B.
Turbidites dissolves
C.
Calcite 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.
equally well in both warm and cold water
B.
more readily in cold water than warm water
C.
more readily in warm water than cold water
D.
unpredictably
Question #19
The speed of sound is ____________.
A.
faster in water then in air
B.
sometimes faster and sometimes slower
C.
slower in water than in air
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, freezing point decreases
C.
The heat capacity of water decreases with increasing salinity
D.
As salinity increases, evaporation slows
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.
The rock section was deposited in the Mesozoic
C.
It was deposited in an arid environment as sand dunes
D.
The rock section records a relative raising of sea level
E.
The rock section was deposited in a river system, perhaps near where the river flows into an ocean
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.
away from the Earth and was captured by the Earth’s gravity
B.
at the same time as the Earth as a smaller accreting body
C.
by a large impact with Mars
D.
as part of the Pacific Ocean floor that spiraled out into space
E.
a large impact to the Earth
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 the glacial debris was localized to a few small mountain valleys
C.
Because he just didn't like the idea
D.
Because he knew the "glacial debris" was actually a misinterpreted landslide
Question #25
The correct order of star life cycle is?
A.
Dwarf then Main sequnce then Giant then Novae/Supernovae
B.
Dwarf then Protostar then Main sequnce then Giant then Novae/Supernovae
C.
Novae/Supernovae then Protostar then Dwarf then Main sequnce then Giant
D.
Novae/Supernovae then Dwarf then Protostar then Main sequnce then Giant
E.
Protostar then Dwarf then Main sequnce then Giant then Novae/Supernovae
F.
Protostar then Main sequnce then Giant then Novae then Dwarf.
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