Principle

The pupils should understand


that that it is at the two ends of a bar magnet, the magnetic poles, that the strongest forces appear.

why the two ends of a magnet are called the north and the south poles.

how one can identify the two poles.

which forces appear between magnetic poles.


Benefits

Quick and easy experiment for qualitatively understanding of magnetic phenomena

Tasks


To find out at which positions on a magnet iron pieces are most strongly attracted.

To i´nvestigate how the two enda of a magnet can be distinguished by their different effects.