How does rubbing a magnet over iron, magnetise it?

[sharp910sh]

Any one know? I think becayse when you rub the magnet over the metal it causes something to align up, aligning up the poles? Ah i duno

[siddharth]

Visit the link below, for a nice detailed explanation.
http://hyperphysics.phy-astr.gsu.edu/Hbase/Solids/ferro.html

[sharp910sh]

Cheers