Information about the title: The structure of the teaching material includes introductory double pages that present an overview of the lesson topics. The "Action" pages with motivating introductions, experiments, and tasks make understanding interesting. The "Facts" double pages convey foundational knowledge, often at two levels. The learned material is secured, applied, and deepened through exercises. The "Methods" pages introduce various working methods. The pages with texts from nature, technology, history, and other areas provide interesting insights from everyday life and the professional world, allowing a perspective beyond the subjects. The project double pages encourage project-oriented working methods. The double pages "In a nutshell! All clear?" summarize the chapter's content and offer opportunities for practice, review, and deepening. The double pages "Test yourself!" contain tasks with easily verifiable answers.