Earth's Inner Core: Solid Center
Explore the dense, solid inner core at the center of the Earth. Understand why intense pressure keeps this metallic sphere solid.
Questions
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MultiChoice
What state of matter is Earth's inner core?
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What primary elements make up Earth's inner core?
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Why is the inner core solid despite extremely hot temperatures?
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What is the estimated radius of Earth's inner core?
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How hot is Earth's inner core, compared to the surface of the Sun?
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At what point in Earth's structure is density the highest?
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MultiChoice
How was the existence of a solid inner core discovered?
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Who was the seismologist who discovered Earth's inner core in 1936?
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Is Earth's inner core stationary or does it rotate?
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What happens to the inner core as Earth gradually cools over billions of years?
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What is the total distance from Earth's surface to the center of the inner core?
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Which property of the inner core allows P-waves to pass through it faster than through the outer core?