Magnetic Field
Electricity and Magnetism
Level
1
Can our Earth's magnetic field be flipped?
Yes
There is no way of telling
Depends
No
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1 solution
The thing that controls Earth's magnetic field is the core. According to Discovery Channel, every several hundred thousand years, Earth's magnetic field reverses.
http://news.discovery.com/earth/weather-extreme-events/earth-magnetic-field-poles-flip-fast-121024.htm