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 the subject knowledge in an easily understandable way - clearly structured, precisely formulated, and often related to everyday life. A key sentence captures important connections and definitions. The practical pages include numerous experiments that actively involve students in the lessons. The method pages clearly present important working and subject methods. Supplementary pages for deepening and level differentiation provide the basis for discussion and assessment 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 a systematic and coherent structure.