Geologists claim iron snow is falling on Earth’s core
Interactive Video
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Science, Geography, Physics
•
11th Grade - University
•
Hard
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon occurs at the Earth's core involving iron?
Iron melts and rises to the surface
Iron evaporates into the atmosphere
Iron forms a gaseous layer
Iron crystallizes and forms a layer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which university's associate professor led the research team?
Harvard University
Sichuan University
Stanford University
University of Oxford
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes the difference in seismic wave speeds in the Earth's core?
Tectonic plate movements
Varying thickness of the iron slurry layer
Magnetic field fluctuations
Temperature variations
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which part of the Earth's core do seismic waves propagate more quickly?
Southern hemisphere of the outer core
Western hemisphere of the outer core
Eastern hemisphere of the top inner core
Northern hemisphere of the inner core
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the Earth's core influence tectonic plate movement?
Through its heat
Through its seismic activity
By its magnetic field
By its gravitational pull
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