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- 1. Multiple Choice
Complete the equation: Density =
Volume / Mass
Mass / Volume
Mass / Size
Size / Mass
- 2. Multiple Choice
The highest density water
stays at the surface
sinks to the bottom
remains in the mid-water
- 3. Multiple Choice
Warmer water tends to float near the surface because (select all that apply)
it has higher density
It has lower density
the sun heats the water
warmer water increases volume
- 4. Multiple Choice
Which of the following water types would be found at the surface (choose only one)
Warm, fresh water
Warm salty water
cold, salty water
cold, fresh water
- 5. Multiple Choice
The salinity of water along a depth profile was measured. Which of the following salinity results would most likely be found at the deepest point of the profile.
15ppt
38ppt
20ppt
26ppt
- 6. Multiple Choice
Zone of rapid salinity increase with depth
Halocline
Pycnocline
Thermocline
- 7. Multiple Choice
Zone of rapid temperature change with depth
Pycnocline
Halocline
Thermocline
- 8. Multiple Choice
Ocean layers can be mixed do to (select all that apply)
Strong winds
Wave action
Currents and upwelling
Calm Seas
- 9. Multiple Choice
In which of the following regions is the temperature gradient less dramatic (more consistent from surface to deep water).
Tropics
Mid-Latitudes
Polar regions
- 10. Multiple Choice
The water at the bottom of the ocean does not freeze because
Increased salinity decreases the freezing point
Decreased salinity decreases the freezing point
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