Earth’s inner core is superionic — a state of matter distinct from solid, liquid or gas

Earth’s inner core is superionic — a state of matter distinct from solid, liquid or gas

Assessment

Interactive Video

Science, Geography, Engineering, Physics, Chemistry

11th Grade - University

Hard

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The video discusses a study published in the Nature journal, highlighting the superionic state of elements in Earth's core. Scientists from the Chinese Academy of Sciences used simulations to show that under extreme conditions, hydrogen, oxygen, and carbon in iron become superionic, with implications for planetary magnetospheres. The superionic state is also found in other planets as superionic ice, affecting electromagnetic fields.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What scientific method did researchers use to study the superionic state in the Earth's core?

Laboratory experiments

Satellite imaging

Field observations

Computer simulations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the superionic state, what happens to the lighter molecules like carbon, hydrogen, and oxygen?

They become gaseous

They diffuse through iron, creating a liquid-like element

They evaporate

They form a solid structure

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where else, besides Earth's core, can the superionic state be found?

In the Earth's crust

In the ocean

In the form of superionic ice on other planets

In the atmosphere

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one potential effect of hydrogen ions moving through an oxygen lattice in a superionic state?

It might lead to volcanic eruptions

It could cause earthquakes

It might impact the planet's electromagnetic field

It could increase the planet's temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How might the superionic state contribute to a planet's magnetosphere?

By increasing atmospheric pressure

By influencing the electromagnetic field

By altering the planet's orbit

By cooling the planet's surface