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.
Magnetism. Magnetism is a phenomenon that is created by moving electric charges. The magnetism also has a duality. The magnetic poles created by moving electric charges are termed as north poles and south poles. Magnetic poles always occur in pairs.