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, basaltic rock
B.
mountainous chain of young, granitic rock
C.
a submarine canyon
D.
an oceanic trench
Question #2
Which of the following lists is written in order of decreasing clast or grain size?
A.
sandstone, siltstone, conglomerate
B.
breccia, siltstone, conglomerate
C.
conglomerate, sandstone, siltstone
D.
sandstone, siltstone, breccia
E.
sandstone, conglomerate, siltstone
F.
siltstone, sandstone, conglomerate
Question #3
All of the following are chemical sedimentary rocks except ___________.
A.
chalk
B.
conglomerate
C.
gypsum
D.
halite
E.
chert
F.
limestone
Question #4
Why are corals slowing dying worldwide?
A.
all of these are causes
B.
unchecked predation
C.
increase nutrients from human activity
D.
changes in temperature
Question #5
Sediments that flow down to the abyssal plain are called?
A.
pelagic flow
B.
turbidites
C.
stromatolites
D.
halites
E.
chert
Question #6
If sea level rises in an area then that is know as a ______________.
A.
transgression
B.
regression
C.
isostatic rebound
D.
subsidence
Question #7
A “well sorted” is one in which the grains are nearly all the same _________________________.
A.
volume
B.
weight
C.
density
D.
size
Question #8
Lithified clastic sediments produce clastic sedimentary rock. Rocks in this category are mainly defined by what characteristic?
A.
mineral percent
B.
weight
C.
grain size
D.
origin
E.
color
Question #9
How long an element or compound will remain in the ocean is known as the?
A.
calcium compensation depth
B.
green zone
C.
life time
D.
red zone
E.
capillary time
F.
residence time
Question #10
________ has the highest latent heat of vaporization of any known substance.
A.
Liquid nitrogen
B.
Magma
C.
Antifreeze
D.
Water
E.
Oil
Question #11
________ light penetrates to the shallowest depth in the ocean.
A.
Red
B.
Green
C.
Blue
D.
Yellow
E.
Orange
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.
River beds
B.
Subduction Zone
C.
turbidites
Question #13
Which geological processes explains why the ocean floors are so young?
A.
Subduction Zone
B.
halites
C.
turbidites
Question #14
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
remains the same
B.
It will rise
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.
Stromatolites dissolves
B.
Turbidites dissolves
C.
Calcite dissolves
Question #17
Which particle size has the slowest settling velocity in still water?
A.
Sand
B.
Peeble
C.
Mud
Question #18
Gases dissolve _____________.
A.
equally well in both warm and cold water
B.
more readily in cold water than warm water
C.
unpredictably
D.
more readily in warm water than cold water
Question #19
The speed of sound is ____________.
A.
sometimes faster and sometimes slower
B.
faster in water then in air
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, 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.
The rock section records a relative lowering of sea level
B.
The rock section was deposited in the Mesozoic
C.
The rock section was deposited in a river system, perhaps near where the river flows into an ocean
D.
The rock section records a relative raising of sea level
E.
It was a glacial environment
F.
It was deposited in an arid environment as sand dunes
Question #22
The process by which an originally homogeneous Earth developed a dense core and a light crust is called?
A.
accretion
B.
conduction
C.
differentiation
D.
convection
Question #23
The Moon likely formed from _____________.
A.
at the same time as the Earth as a smaller accreting body
B.
away from the Earth and was captured by the Earth’s gravity
C.
as part of the Pacific Ocean floor that spiraled out into space
D.
a large impact to the Earth
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 he just didn't like the idea
B.
Because the glacial debris was localized to a few small mountain valleys
C.
Because he knew the "glacial debris" was actually a misinterpreted landslide
D.
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
Question #25
The correct order of star life cycle is?
A.
Novae/Supernovae then Dwarf then Protostar then Main sequnce then Giant
B.
Novae/Supernovae then Protostar then Dwarf then Main sequnce then Giant
C.
Protostar then Dwarf then Main sequnce then Giant then Novae/Supernovae
D.
Dwarf then Main sequnce then Giant then Novae/Supernovae
E.
Dwarf then Protostar then Main sequnce then Giant then Novae/Supernovae
F.
Protostar then Main sequnce then Giant then Novae then Dwarf.
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