Ocean 115 - Introduction to Oceanography » Winter 2023 » Week 3 Post-reading Quiz
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Question #1
The _____ of water allows individual water molecules to stick together.
A.
hydrogen bonding
B.
adhesion
C.
density
D.
heat capacity
E.
latent heat of fusion
Question #2
What allows ice to float?
A.
Cohesion of ice is lower than the cohesion of liquid water.
B.
Surface tension of ice is lower than the surface tension of liquid water.
C.
Heat capacity of ice is lower than the heat capacity of liquid water.
D.
Density of ice is lower than the density of liquid water.
E.
Adhesion of ice is lower than the adhesion of liquid water.
Question #3
Ice is effective at cooling drinks because of the ____.
A.
latent heat of vaporization
B.
diffusion of heat energy
C.
heat capacity of water
D.
sensible heat loss of water
E.
latent heat of fusion
Question #4
What is the name for the density zone in which temperature changes rapidly with depth?
A.
deep zone
B.
pycnocline
C.
mixed layer
D.
thermocline
E.
halocline
Question #5
What wavelength of visible light is almost completely absorbed and converted to heat within the first few meters of the ocean?
A.
red light waves
B.
yellow light waves
C.
green light waves
D.
violet light waves
E.
blue light waves
Question #6
The average time water stays in the ocean before evaporating is about ____.
A.
4,100 years
B.
100 years
C.
9 days
D.
10 years
E.
9,100 years
Question #7
What is the term for ocean components not accounted for by the weathering of continents?
A.
excess volatiles
B.
trace elements
C.
nonconservative constituents
D.
colligative properties
E.
conservative constituents
Question #8
What type of water mass dissolves a higher concentration of gases?
A.
temperate water masses
B.
subtropical water masses
C.
equatorial water masses
D.
tropical water masses
E.
polar water masses
Question #9
The concentration of ____ increases with depth, and influences the calcium carbonate compensation depth.
A.
oxygen
B.
ammonia
C.
nitrogen
D.
carbon dioxide
E.
hydrogen
Question #10
What happens to pH levels in regions where there is excess carbon dioxide present?
A.
Carbon dioxide does not heavily impact pH levels.
B.
The seawater becomes more alkaline.
C.
The seawater is able to buffer enough that there is no change
D.
The pH levels decrease in these regions.
E.
The pH levels increase in these regions.
Question #11
Water evaporated from the ocean surface is moved by ____.
A.
cold fronts
B.
condensation
C.
precipitation
D.
climate
E.
wind
Question #12
Most weather occurs in which of the following atmospheric layers?
A.
thermosphere
B.
troposphere
C.
mesosphere
D.
stratosphere
E.
exosphere
Question #13
Water leaves the atmosphere through which process?
A.
evaporation
B.
vaporization
C.
expansion
D.
compression
E.
condensation
Question #14
Why is humid air less dense than dry air?
A.
Molecular movement of water vapor occupies more space than dry air.
B.
Molecules of water vapor have more mass than the displaced nitrogen and oxygen.
C.
Molecules of water vapor have less mass than the displaced nitrogen and oxygen.
D.
Water vapor molecules are more compressed than dry air molecules.
E.
Molecular movement of water vapor occupies less space than dry air.
Question #15
As air rises in the atmosphere it ____ and ____.
A.
expands; cools
B.
expands; warms
C.
warms; precipitates
D.
compresses; warms
E.
compresses; cools
Question #16
Which currents are the slow, deep currents that affect seawater beneath the pycnocline?
A.
surface
B.
thermohaline
C.
thermocline
D.
convection
E.
turbidity
Question #17
How much of the water in the world ocean is involved in surface currents?
A.
90%
B.
20%
C.
1%
D.
10%
E.
50%
Question #18
Surface currents are driven mainly by ____.
A.
salinity differences
B.
gravity
C.
density differences
D.
wind friction
E.
temperature differences
Question #19
What describes the theoretical direction of Ekman transport in the Southern Hemisphere?
A.
30° to the left of wind direction
B.
45° to the left of wind direction
C.
90° to the left of wind direction
D.
90° to the right of wind direction
E.
45° to the right of wind direction
Question #20
The fastest and deepest geostrophic currents are ____.
A.
cold-water currents
B.
western boundary currents
C.
counter currents
D.
transverse currents
E.
eastern boundary currents
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