Information about the title: Structure of the student book. Each main chapter begins with a large, motivating photo that introduces the chapter topic. Two smaller photos and an introductory text provide additional stimuli. The texts on the main pages convey subject knowledge in an easily understandable manner - clearly structured, precisely formulated, and often related to everyday life. A key sentence captures important connections and definitions. The practical pages contain numerous experiments that actively involve students in the lessons. The method pages clearly present important working and subject-specific methods. Excursion pages for deepening and level differentiation provide the basis for discussion and evaluation tasks. "Test yourself" pages at the end of a chapter serve for students' self-assessment. The solutions can be found in the appendix. The overview offers systematic and coherent insights.