Learning made easy - Completely rephrased, easily understandable texts. Clear working methods alleviate pressure even with complex topics. Each subject is guided step by step, making everything clear and comprehensible for everyone. Definitely differentiated instruction - Basic pages contain the essential knowledge for everyone. Additional pages provide extra material for advanced students. Chapter endings for review, application, and deepening with the option for self-assessment. Tasks at three levels - there's something for everyone. The content includes safe experimentation, the world of substances, mixtures and separation methods, chemical reactions, air, water, symbols, formulas, reaction equations, metals and redox reactions, groups of elements, atomic structure, the periodic table, chemical bonds, acids, bases, salts, and electrical energy.