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 can use Earth’s magnetic field if you know where the North direction is. Put in on something that floats and then on water, it will align itself.