9.25 class discussion questions: magnetism

9.25 magnetism questions

  1. Explain why sailors used magnetic compasses while the Arab voyagers did not. Hint: one travels on the desert.
  2. Look up the various ways modern airlines navigate. Why do they use one and not the other?
  3. Explain why we don’t see the Aurora Borealis in Hawaii, except when there is severe solar weather.
  4. Use the stream analogy to explain magnetic field lines.