This document discusses energy transformation and different forms of energy. It contains an introduction by Arnold O. Echem and then presents information on rules, radiant energy, chemical energy, and mechanical energy. The bulk of the document quizzes the reader on identifying different forms of energy, including questions on radiant, chemical, mechanical, sound, and thermal energy. It emphasizes that energy can be transformed from one form to another and provides examples of transformations between chemical, mechanical, and other forms of energy.