
Understanding Thermohaline Circulation and Concentration Gradients
Interactive Video
•
Science, Physics, Biology
•
7th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of Earth's surface is covered by water?
90%
71%
50%
85%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary driver behind thermohaline circulation?
Wind patterns
Concentration gradient
Earth's rotation
Tidal forces
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Roomba analogy, what do the Roombas represent?
Temperature changes
Ocean currents
Salt ions
Water molecules
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does temperature affect water molecules in the ocean?
It causes them to move towards higher concentrations
It makes them evaporate quickly
It has no effect on them
It makes them sluggish in colder depths
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to salt ions when water molecules evaporate from the ocean surface?
They move upwards
They remain at the surface
They evaporate with the water
They move downwards
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In polar regions, what primarily triggers the movement of water molecules?
Salinity differences
Wind patterns
Earth's rotation
Temperature differences
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting point of the global conveyor belt?
Wind-driven currents
Earth's rotation
Thermohaline circulation
Tidal forces
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