Science Book 4 from the Afaq Sun Series is a comprehensive textbook designed for students seeking a deeper understanding of scientific concepts and principles. This book covers essential topics in physics, chemistry, and biology with clear explanations and practical examples. Each chapter includes detailed illustrations, worked problems, and review questions to reinforce learning and build problem-solving skills. The structured approach makes complex subjects accessible and engaging for learners at this level. Ideal for classroom use or independent study, this resource supports academic progress and scientific literacy.