PDF chapter test TRY NOW

A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole located?
 
A magnet, when suspended freely in the air, will always come to rest in the  direction. Another bar magnet's north pole is to the suspended magnet's north pole.

If the suspended magnet's north pole the other bar magnet's north pole, then it is the north pole of the bar magnet.