What are the two main factors that influence the formation of ocean currents?

Ocean Currents and Thermohaline Circulation

Interactive Video
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Geography
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temperature and salinity
Wind and tides
Earth's rotation and gravity
Sunlight and moon phases
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does temperature affect water density?
Colder water is denser than warmer water
Warmer water is denser than colder water
Both warm and cold water have the same density
Temperature has no effect on water density
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to salt water in the experiment when placed next to fresh water?
It mixes evenly with the fresh water
It evaporates quickly
It sinks below the fresh water
It floats on top of the fresh water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the layer where the density gradient is greatest in the ocean?
Halocline
Thermocline
Isocline
Pycnocline
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary driver of thermohaline circulation?
Earth's magnetic field
Wind patterns
Density differences
Tidal forces
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does thermohaline circulation affect global water movement?
It has no significant impact on water movement
It creates small, localized currents
It moves water only in the northern hemisphere
It circulates water globally from top to bottom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when cold water sinks and travels to the left of the tank in the experiment?
Thermal expansion
Lateral diffusion
Deep convection
Surface convection
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