size of the earth's magnetic poles on the ground, effects on compass

Subject: size of the earth's magnetic poles on the ground, effects on compass

Date: Thu Feb 8 23:27:54 2001
Posted by ed
Grade level: teacher/prof School: portland public schools
City: Portland State/Province: OR Country: USA
Area of science: Physics
ID: 981692874.Ph

Message:


How big an area of the surface of the earth is affected by the magnetic 
pole?  What happens to a compass in that zone?  Are both poles the same 
size and "strength"

Re: size of the earth's magnetic poles on the ground, effects on compass

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