How do you figure out which part of a magnet is positive and which is negative?

Question

I know that opposite poles attract and similar poles repell but if you had a small magnet that didn’t have it’s poles labeled, how would you figure out which side is negative and which is positive?

In: 3

Answer 1

You mean north and south.

Take the magnet, put it on top of a flat styrofoam boat, and see what way it points when it floats. The north end of the magnet faces north.