The PRISMA principle: Three subjects, one concept! Learning made easy. The concepts of subject knowledge and the methods of competency areas are always taught together in PRISMA. The book aids in building and practicing competencies through experiments, texts, and tasks. Teach the curriculum with confidence. The basic pages allow for easy development of subject-specific fundamentals. They contain all the essential knowledge of the topic. Clearly marked key points, tasks, and experiments help to reinforce the learning material. Everyone can keep up.