Mammoth Memory

Have you got a magnet?

You can only show that an object is a magnet if you can repel the object with another magnet. A piece of unmagnetised steel or any metal cannot be repelled.

Only two south poles or two north poles repel.

Repulsion

(It must be another magnet)

Repulsion

Attraction

Attraction

ONLY TWO MAGNETS REPEL

More Info