Chapter 1: Matter in Our Surroundings – NCERT Exemplar Solutions for Class 9 Science
Chapter 1 of Class 9 Science, Matter in Our Surroundings, introduces the fundamental concept that matter is anything that occupies space and has mass. The chapter begins with the classification of matter into solid, liquid, and gas based on their physical properties such as shape, volume, density, and compressibility. Students learn about the particle nature of matter, which explains important characteristics like diffusion, intermolecular spaces, and motion of particles.
The chapter then explores how matter can change its state from solid to liquid and liquid to gas when energy is supplied. Key processes such as fusion, vaporization, condensation, sublimation, and freezing are explained in detail, making it easier to understand how temperature and pressure influence the states of matter. The concept of latent heat and evaporation is also discussed, highlighting everyday life examples like cooling during evaporation, sweating, and the functioning of refrigerators. NCERT Solutions for Class 9 Science for this chapter provide step-by-step answers to textbook questions, ensuring clarity in fundamental concepts. Along with this, NCERT Exemplar Solutions for Class 9 Science include advanced application-based questions that strengthen problem-solving skills and prepare students for competitive exams. By the end of the chapter, students not only understand the classification and behavior of matter but also develop the ability to connect science with real-life applications. Practicing NCERT Solutions and Exemplar problems ensures better exam preparation, deeper understanding, and concept clarity.