What makes Mount Erebus's lava lake unique compared to other lava lakes?
Weird Places: The Lava Lake in Antarctica

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Science, Geography, Biology, Physics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It has a constant temperature of 500 degrees Celsius.
It releases gas with a changing composition every 10 minutes.
It is the only lava lake in the Northern Hemisphere.
It is located in a tropical region.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the convection cycle in Mount Erebus's lava lake work?
Magma remains static at the bottom of the lake.
Hot magma rises, spreads, cools, and sinks back down.
Cold magma rises to the top and cools further.
Magma flows out of the lake continuously.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are persistent lava lakes like Mount Erebus rare?
They require a specific combination of crater, conduit, and chamber.
They can only exist in desert regions.
They are only found on oceanic islands.
They need a constant supply of rainwater.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the explosive degassing observed at Mount Erebus?
It causes the lake to freeze over.
It stops the convection cycle temporarily.
It reduces the temperature of the lava lake.
It results in small eruptions and lava bombs.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of magma is found in Mount Erebus, and how does it affect the lava lake?
Andesite, which cools the lake rapidly.
Phonolite, which affects the fluid dynamics due to its thickness.
Basalt, which makes the lake very fluid.
Rhyolite, which causes frequent eruptions.
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