Information about the title: For the 7th school year Information about the series: The regional editions of the Duden Physics series combine a clear, systematic presentation of the basic contents with new elements aimed at the development of competencies. The regional editions contain all obligatory contents as well as optional in-depth studies as indicated in the respective curricula. Characteristic for the student books is the student-friendly preparation of the physical fundamentals, oriented on the basic concepts of matter, interactions, system and energy, the explicit presentation of methods in connection with examples and tasks, a broad and differentiated range of tasks with many possibilities for the development of self- and social competence.