Earth's Magnetic Field and Solar Wind Quiz
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Questions and Answers

What generates Earth's magnetic field?

  • Convection currents of molten iron and nickel in the outer core (correct)
  • Solar wind interacting with Earth's atmosphere
  • Tectonic plate movements
  • Geostrophic currents in the oceans
  • What is the magnitude of Earth's magnetic field at its surface?

  • Constant at 50 μT
  • Ranges from 100 to 200 μT
  • Ranges from 25 to 65 μT (correct)
  • Varies from 10 to 40 μT
  • How is Earth's magnetic field represented as an approximation?

  • As a field of a magnetic dipole currently tilted at an angle of about 11° with respect to Earth's rotational axis (correct)
  • As a field of a magnetic monopole
  • As a field of a magnetic quadrupole
  • As a field of a magnetic octupole
  • Which pole does the North geomagnetic pole represent?

    <p>South pole of Earth's magnetic field</p> Signup and view all the answers

    What causes the convection currents in Earth's outer core that generate the magnetic field?

    <p>Heat escaping from the core</p> Signup and view all the answers

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