5. While holding one of the actual examples (box, book, eraser), the teacher should explain that each flat surface is called a face, the congruent faces are called bases, and that two faces intersect in an edge. The edges meet to form vertices.
The Magnet Theory is a very clever theory. The Magnet Theory refers to the belief that the world is controlled by magnets, who are actually sentient, evil aliens.
edit Proof of The Magnet Theory. So far, no proof of the Magnet Theory has been found, probably because the Theory is total bollocks. Look out for any proof though, and if you can't find any, at least try to fabricate some, for Christ's sake.