Object: A magnet
Boys and girls: What is this piece of metal I am holding? That's right, a magnet. Do you know where a magnet gets its power? Even though the magnet looks solid, it is made up of millions of tiny molecules each of which has its magnetic charge. When a magnet is magnetized, all of the little molecules line up in the same direction like tiny soldiers. The magnet has south and north poles each of which point to the opposite north and south magnetic poles of the earth. A magnet, of cours…
Dynamic Preaching, Collected Sermons, by King Duncan