Ocean 115 - Introduction to Oceanography » Spring 2022 » Exam 1 Part 2
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Question #1
The ocean ridge is _____________.
A.
an oceanic trench
B.
a submarine canyon
C.
mountainous chain of young, granitic rock
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.
sandstone, siltstone, breccia
B.
breccia, siltstone, conglomerate
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.
halite
B.
conglomerate
C.
gypsum
D.
limestone
E.
chalk
F.
chert
Question #4
Why are corals slowing dying worldwide?
A.
increase nutrients from human activity
B.
all of these are causes
C.
unchecked predation
D.
changes in temperature
Question #5
Sediments that flow down to the abyssal plain are called?
A.
pelagic flow
B.
stromatolites
C.
halites
D.
chert
E.
turbidites
Question #6
If sea level rises in an area then that is know as a ______________.
A.
regression
B.
isostatic rebound
C.
subsidence
D.
transgression
Question #7
A “well sorted” is one in which the grains are nearly all the same _________________________.
A.
weight
B.
size
C.
density
D.
volume
Question #8
Lithified clastic sediments produce clastic sedimentary rock. Rocks in this category are mainly defined by what characteristic?
A.
weight
B.
color
C.
origin
D.
mineral percent
E.
grain size
Question #9
How long an element or compound will remain in the ocean is known as the?
A.
red zone
B.
life time
C.
green zone
D.
capillary time
E.
calcium compensation depth
F.
residence time
Question #10
________ has the highest latent heat of vaporization of any known substance.
A.
Magma
B.
Oil
C.
Liquid nitrogen
D.
Water
E.
Antifreeze
Question #11
________ light penetrates to the shallowest depth in the ocean.
A.
Yellow
B.
Green
C.
Red
D.
Blue
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.
turbidites
C.
Subduction Zone
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.
Passive continental margin
B.
Fracture Zone
C.
Subduction Zone
Question #16
What occurs below the calcium carbonate compensation depth?
A.
Calcite dissolves
B.
Turbidites dissolves
C.
Stromatolites 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 cold water than warm water
B.
unpredictably
C.
equally well in both warm and cold water
D.
more readily in warm water than cold water
Question #19
The speed of sound is ____________.
A.
sometimes faster and sometimes slower
B.
dependant upon the electrical charge of the water
C.
faster in water then in air
D.
slower in water than in air
Question #20
All are colligative properties of water except?
A.
As salinity increases, freezing point increases
B.
The heat capacity of water decreases with increasing salinity
C.
As salinity increases, evaporation slows
D.
As salinity increases, freezing point decreases
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 was deposited in a river system, perhaps near where the river flows into an ocean
B.
The rock section records a relative lowering of sea level
C.
The rock section records a relative raising of sea level
D.
The rock section was deposited in the Mesozoic
E.
It was deposited in an arid environment as sand dunes
F.
It was a glacial environment
Question #22
The process by which an originally homogeneous Earth developed a dense core and a light crust is called?
A.
differentiation
B.
accretion
C.
convection
D.
conduction
Question #23
The Moon likely formed from _____________.
A.
away from the Earth and was captured by the Earth’s gravity
B.
a large impact to the Earth
C.
as part of the Pacific Ocean floor that spiraled out into space
D.
by a large impact with Mars
E.
at the same time as the Earth as a smaller accreting body
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 the glacial debris was localized to a few small mountain valleys
B.
Because he knew the "glacial debris" was actually a misinterpreted landslide
C.
Because he just didn't like the idea
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.
Dwarf then Main sequnce then Giant then Novae/Supernovae
B.
Dwarf then Protostar then Main sequnce then Giant then Novae/Supernovae
C.
Protostar then Main sequnce then Giant then Novae then Dwarf.
D.
Novae/Supernovae then Protostar then Dwarf then Main sequnce then Giant
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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