Earth's Internal Structure
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Questions and Answers

What is the average density of Earth?

  • 5.515 g/cm3 (correct)
  • 4.8 g/cm3
  • 7.2 g/cm3
  • 6.0 g/cm3

    • What generates the Earth's magnetic field?

  • Solid inner core
  • Liquid outer core flow (correct)
  • Viscous asthenosphere
  • Silicate solid crust

    • How is the scientific understanding of the internal structure of Earth based?

  • Observations of topography and bathymetry
  • Samples brought to the surface from greater depths by volcanoes
  • Analysis of seismic waves that pass through Earth
  • All of the above (correct)

    • How can Earth's mass be calculated?

    <p>Both a and b</p> Signup and view all the answers

    Which layer of the Earth's structure is highly viscous?

    <p>Asthenosphere</p> Signup and view all the answers

    What is the outermost layer of the Earth's internal structure?

    <p>Outer silicate solid crust</p> Signup and view all the answers

    Which layer of the Earth's internal structure generates the Earth's magnetic field?

    <p>Liquid outer core</p> Signup and view all the answers

    How is the scientific understanding of the internal structure of Earth primarily based?

    <p>Observations of topography and bathymetry</p> Signup and view all the answers

    What element is assumed to be in the core according to the chondrite model (1)?

    <p>Silicon</p> Signup and view all the answers

    How can Earth's average density be determined?

    <p>Through gravimetric experiments involving pendulums</p> Signup and view all the answers

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