How to make a compass

Magnets

what you will need:
needle
magnet
water
bowl
cork
what you have to do is get fill your bowl with your water and then you get the neddle and the magnet and rub the needle on the magnet and put it on the cork and then put it on the water and it will then point to northand south it does this because of the magnetic feild that is all over the world and it is in the core of the earth too and that is why.
Magnets can also attract and repel from each other this happens because on each magnet there is a north and south side on the magnet these are from the north and south pole. like this magnet. This means that with the magnetic field that goes around the world controls the magnet.