Chemical Composition and Density of Layers Exercise

Chemical Composition and Density of Layers

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Chemical Composition and Density of Layers

Compare the chemical elements and relative densities of Earth's structural layers. Understand why denser materials settled toward the center of the planet.

Questions

  1. MultiChoice

    How do scientists divide Earth's layers by chemical composition?

  2. MultiChoice

    How do scientists divide Earth's layers by physical mechanical properties?

  3. MultiChoice

    Why did heavy elements like iron sink to Earth's core during early Earth formation?

  4. MultiChoice

    What process caused early Earth to separate into distinct chemical layers?

  5. MultiChoice

    Which layer contains the lowest density rocks?

  6. MultiChoice

    What is the average density of continental crust compared to water (1 g/cm3)?

  7. MultiChoice

    What is the average density of inner core material?

  8. MultiChoice

    What chemical group makes up over 90% of Earth's crustal rocks?

  9. MultiChoice

    Which layer is enriched in light elements such as aluminum, silicon, and oxygen?

  10. MultiChoice

    Which metallic element makes up the vast majority of both inner and outer cores?

  11. MultiChoice

    What is the order of Earth's layers from least dense to most dense?

  12. MultiChoice

    Which element is abundant in mantle rocks but scarce in continental crust?