Unit 9.2 The Earth as a Giant Magnet

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Created by
Nia Belle

Cards (2)

  • The Earth's Magnetic Field
    • compass needle behaves like a freely suspended bar magnet
    • North compass always points to the magnetic north pole of the Earth
    • Geographic North Pole = Magnetic South Pole
    • Geographic South Pole = Magnetic North Pole
  • The Earth's Magnetic Field
    • the invention of the compass allows people to navigate in places
    • even today with satellite navigation (satnav), ships and aeroplanes still use magnetic compasses
    • animals, such as birds, use the Earth's magnetic field to navigate over long distances