Ocean 115 - Introduction to Oceanography » Winter 2022 » 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.   Heat capacity of ice is lower than the heat capacity of liquid water.
B.   Surface tension of ice is lower than the surface tension of liquid water.
C.   Adhesion of ice is lower than the adhesion of liquid water.
D.   Cohesion of ice is lower than the cohesion of liquid water.
E.   Density of ice is lower than the density of liquid water.
Question #3
Ice is effective at cooling drinks because of the ____.
A.   sensible heat loss of water
B.   latent heat of fusion
C.   heat capacity of water
D.   diffusion of heat energy
E.   latent heat of vaporization
Question #4
What is the name for the density zone in which temperature changes rapidly with depth?
A.   pycnocline
B.   thermocline
C.   deep zone
D.   halocline
E.   mixed layer
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.   violet light waves
C.   blue light waves
D.   green light waves
E.   yellow light waves
Question #6
The average time water stays in the ocean before evaporating is about ____.
A.   4,100 years
B.   9,100 years
C.   10 years
D.   100 years
E.   9 days
Question #7
What is the term for ocean components not accounted for by the weathering of continents?
A.   colligative properties
B.   excess volatiles
C.   nonconservative constituents
D.   conservative constituents
E.   trace elements
Question #8
What type of water mass dissolves a higher concentration of gases?
A.   subtropical water masses
B.   equatorial water masses
C.   temperate water masses
D.   polar water masses
E.   tropical water masses
Question #9
The concentration of ____ increases with depth, and influences the calcium carbonate compensation depth.
A.   oxygen
B.   nitrogen
C.   carbon dioxide
D.   ammonia
E.   hydrogen
Question #10
What happens to pH levels in regions where there is excess carbon dioxide present?
A.   The pH levels increase in these regions.
B.   The seawater is able to buffer enough that there is no change
C.   Carbon dioxide does not heavily impact pH levels.
D.   The seawater becomes more alkaline.​
E.   The pH levels decrease in these regions.
Question #11
Water evaporated from the ocean surface is moved by ____.
A.   precipitation
B.   climate
C.   wind
D.   cold fronts
E.   condensation
Question #12
Most weather occurs in which of the following atmospheric layers?
A.   stratosphere
B.   troposphere
C.   mesosphere
D.   exosphere
E.   thermosphere
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.   Molecular movement of water vapor occupies less space than dry air.
D.   Molecules of water vapor have less mass than the displaced nitrogen and oxygen.
E.   Water vapor molecules are more compressed than dry air molecules.
Question #15
As air rises in the atmosphere it ____ and ____.
A.   compresses; cools
B.   warms; precipitates
C.   compresses; warms
D.   expands; cools
E.   expands; warms
Question #16
Which currents are the slow, deep currents that affect seawater beneath the pycnocline?
A.   convection
B.   surface
C.   thermohaline
D.   turbidity
E.   thermocline
Question #17
How much of the water in the world ocean is involved in surface currents?
A.   10%
B.   50%
C.   20%
D.   1%
E.   90%
Question #18
Surface currents are driven mainly by ____.
A.   density differences
B.   wind friction
C.   temperature differences
D.   salinity differences
E.   gravity
Question #19
What describes the theoretical direction of Ekman transport in the Southern Hemisphere?
A.   45° to the right of wind direction
B.   90° to the left of wind direction
C.   30° to the left of wind direction
D.   90° to the right of wind direction
E.   45° to the left of wind direction
Question #20
The fastest and deepest geostrophic currents are ____.
A.   eastern boundary currents
B.   cold-water currents
C.   western boundary currents
D.   transverse currents
E.   counter currents

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