What is the region of space affected by earths magnetic field that defects most of the charged particles from the sun?
How do nature and animals use magnetospheres?
Does magnetic field change?
How do peope today know that the magnetosphere changes?
How does a compass work?
Answers
1. Magnetosphere
2. They take advantage of it by finding their way.
3. yes
4. Because the magnetic domains are frozen into ancient rocks so these then preserve the orientation of the earths magnetic field as it was long ago.
5. a compass needle rotates until it is aligned with the magnetic field line at its location. The north pole of the compass needle points towards earths magnetic pole that is in the north.
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