Earth's Inner Core: Solid Center Exercise

Earth's Inner Core: Solid Center

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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

  1. MultiChoice

    What state of matter is Earth's inner core?

  2. MultiChoice

    What primary elements make up Earth's inner core?

  3. MultiChoice

    Why is the inner core solid despite extremely hot temperatures?

  4. MultiChoice

    What is the estimated radius of Earth's inner core?

  5. MultiChoice

    How hot is Earth's inner core, compared to the surface of the Sun?

  6. MultiChoice

    At what point in Earth's structure is density the highest?

  7. MultiChoice

    How was the existence of a solid inner core discovered?

  8. MultiChoice

    Who was the seismologist who discovered Earth's inner core in 1936?

  9. MultiChoice

    Is Earth's inner core stationary or does it rotate?

  10. MultiChoice

    What happens to the inner core as Earth gradually cools over billions of years?

  11. MultiChoice

    What is the total distance from Earth's surface to the center of the inner core?

  12. MultiChoice

    Which property of the inner core allows P-waves to pass through it faster than through the outer core?