This online video tutorial series for NIOS Class 9 Science (Course Code: 212) is designed to help students explore and understand the fundamental principles of Physics, Chemistry, Biology, and Environmental Science in an easy and engaging way. Based on the official NIOS Secondary syllabus, the course focuses on building scientific knowledge through real-world examples, hands-on activities, and concept-based explanations. The course covers a wide range of topics such as matter and its properties, laws of motion, cell structure, diversity of life, natural resources, sound, force, atoms and molecules, and more. Each chapter is taught through interactive video lessons with clear visuals, simple language, and real-life connections to promote curiosity and understanding.