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