Earths magnetic field induces some degree of magnetismin
Chapter 9, Problem 33(choose chapter or problem)
Earths magnetic field induces some degree of magnetismin most of the iron objects around you. With a compassyou can see that cans of food on your pantry shelf have northand south poles. When you pass the compass from their bottomsto their tops, you can easily identify their poles. Markthe poles, either N or S. Then turn the cans upside down andnote how many days it takes for the poles to reverse themselves.Explain to your friends why the poles reverse.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer