Recent

  • Show all results for ""

🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

The Earth's Internal Heat Budget
10 Questions
1 Views

The Earth's Internal Heat Budget

Created by
@MindBlowingComprehension

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which two sources contribute to the flow of heat from Earth's interior to the surface?

  • The flow of heat from Earth's interior is not related to either radiogenic heat or primordial heat.
  • The flow of heat from Earth's interior is solely due to the primordial heat left over from the formation of Earth.
  • The flow of heat from Earth's interior is due to the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust, as well as the primordial heat left over from the formation of Earth. (correct)
  • The flow of heat from Earth's interior is solely due to the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust.

    • Which geological processes are powered by Earth's internal heat?

  • Photosynthesis and respiration
  • Weathering and erosion
  • Atmospheric circulation and ocean currents
  • Mantle convection and plate tectonics (correct)

    • What percentage of Earth's total energy budget at the surface is contributed by Earth's interior heat?

  • 30%
  • 0.3%
  • 3%
  • 0.03% (correct)

    • What is theorized to sustain Earth's magnetic field?

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

    How much is the estimated flow of heat from Earth's interior to the surface?

    <p>47±2 terawatts (TW)</p> Signup and view all the answers

    Where does most of the water on Earth come from?

    <p>Saline seawater</p> Signup and view all the answers

    What is the average salinity of saltwater on Earth?

    <p>3.5%</p> Signup and view all the answers

    What percentage of water on Earth is saline or saltwater?

    <p>97%</p> Signup and view all the answers

    What is the salinity level that defines fresh water?

    <p>1%</p> Signup and view all the answers

    What is water with a salinity between 1‰ and 0.35‰ typically referred to as?

    <p>Marginal water</p> Signup and view all the answers

    More Quizzes Like This

    Earth's Heat Flow Quiz
    10 questions

    Earth's Heat Flow Quiz

    EntertainingLiberty avatar
    EntertainingLiberty
    Earth's Internal Heat Sources
    14 questions

    Quiz & Flashcards on Earth's Internal Heat Sources

    GreatCalcite avatar
    GreatCalcite
    Geothermal Energy and Heat Flow
    18 questions

    Geothermal Energy and Heat Flow

    RestfulMiracle avatar
    RestfulMiracle
    Geology Quiz: Earth Science Concepts
    40 questions

    Geology Quiz: Earth Science Concepts

    EasiestElPaso avatar
    EasiestElPaso
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser