Magnetic field between two different poles.

AsSalyamu `aleykum wa RahmatuLlahi wa Barakatuh,

Equipment: 2 pieces of laminations, magnet, cardboard, iron fillings

1. Place 2 pieces of laminations and a magnet as it is shown on the photo

2. place cardboard on the top of laminations and a magnet

3. sprinkle iron fillings on the top

What happened:

The iron fillings will arrange themselves along the magnetic lines of force.