NCERT Solutions for Class 9 Science: NCERT Solutions for Class 9 Science provide chapter-wise answers to all the questions in the Science book titled Exploration. The book explores the world of secondary science and discusses topics such as motion, matter, sound, and reproduction. These solutions are prepared strictly according to the latest 2026 syllabus. Covering all the fundamental concepts, they help students understand difficult topics in a simple and clear manner. Whether for exam preparation, homework, or revision, these NCERT Science Solutions by Shiksha Nation offer easy explanations and accurate answers.
NCERT Solutions for Class 9 Science Latest Chapter wise 2026 27
| S.No. | Chapter Name & Topic |
| 1 | Chapter 1 - Exploration: Entering the World of Secondary Science |
| 2 | Chapter 2 - Cell: The Building Block of Life |
| 3 | Chapter 3 - Tissues in Action |
| 4 | Chapter 4 - Describing Motion Around Us |
| 5 | Chapter 5 - Exploring Mixtures and their Separation |
| 6 | Chapter 6 - How Forces Affect Motion |
| 7 | Chapter 7 - Work, Energy, and Simple Machine |
| 8 | Chapter 8 - Journey Inside the Atom |
| 9 | Chapter 9 - Atomic Foundations of Matter |
| 10 | Chapter 10 - Sound Waves: Characteristics and Applications |
| 11 | Chapter 11 - Reproduction: How Life Continues |
| 12 | Chapter 12 - Patterns in Life: Diversity and Classification |
| 13 | Chapter 13 - Earth as a System: Energy, Matter, and Life |
Chapter-wise NCERT Solutions for Class 9 Science Overview
Chapter 1 - Exploration: Entering the World of Secondary Science
The first chapter introduces the world of secondary-level science. It explains how scientific knowledge is developed through observation, experimentation, and logical reasoning. Students learn about the scientific method and the importance of evidence in drawing conclusions. The chapter emphasizes accurate measurement, data collection, and analysis. It also shows the role of curiosity and critical thinking in the field of science.
Chapter 2 - Cell: The Building Block of Life
This chapter explains that the cell is the basic structural and functional unit of all living organisms. Students learn about the discovery of cells and the development of cell theory. The chapter describes the structure and functions of important cell organelles, including the nucleus, mitochondria, and chloroplasts. It also compares plant and animal cells. Students are introduced to prokaryotic and eukaryotic cells and their differences. The chapter helps students understand how cells conduct life processes.
Chapter 3 - Tissues in Action
This chapter explains how groups of similar cells form tissues that perform specific functions in living organisms. Students learn about different types of plant tissues, including meristematic and permanent tissues. The chapter also discusses animal tissues such as epithelial, connective, muscular, and nervous tissues. Students understand how tissues contribute to growth, movement, support, and coordination. It shows the concept of division of labour in multicellular organisms. The chapter helps students understand how specialized tissues improve the efficiency of life processes.
Chapter 4 - Describing Motion Around Us
This chapter discusses the basic concepts used to describe the motion of objects. Students learn about distance, displacement, speed, velocity, and acceleration. The chapter explains the difference between uniform and non-uniform motion. It also introduces graphical representations of motion using distance-time and velocity-time graphs. The chapter lays the foundation for further study of mechanics and physics.
Chapter 5 - Exploring Mixtures and their Separation
This chapter focuses on the classification of matter and the separation of mixtures. Students learn about pure substances, mixtures, solutions, suspensions, and colloids. The chapter explains various methods used to separate mixture components, such as filtration, evaporation, crystallization, and distillation. Students understand how these techniques are used in everyday life and industry. The chapter also helps students identify different types of mixtures based on their properties.
Chapter 6 - How Forces Affect Motion
This chapter explains how forces influence the motion of objects. Students learn that force is a push or pull that can change an object's speed, direction, or shape. The chapter introduces balanced and unbalanced forces and their effects on motion. Students also learn about inertia and the tendency of objects to resist changes in their state of motion. This chapter is the basis for understanding the laws of motion studied in higher classes.
Chapter 7 - Work, Energy, and Simple Machines
This chapter introduces the concepts of work, energy, and power. Students learn that work is done when a force causes displacement. It also discusses different forms of energy and explains how energy can be transformed from one form to another. Students are introduced to the law of conservation of energy. The chapter also explains the functioning of simple machines such as levers, pulleys, and inclined planes.
Chapter 8 - Journey Inside the Atom
This chapter explores the internal structure of atoms and the discoveries that led to modern atomic theory. Students learn about electrons, protons, and neutrons and their arrangement within atoms. The chapter discusses important atomic models. Students also learn about atomic number, mass number, and isotopes. It provides a foundation for understanding chemistry at the atomic level.
Chapter 9 - Atomic Foundations of Matter
This chapter explains how atoms combine to form molecules and compounds. Students learn about chemical symbols, formulae, atomic mass, and molecular mass. The chapter introduces the laws of chemical combination and explains how substances are formed in fixed proportions. Students also learn how to write and interpret simple chemical formulas.
Chapter 10 - Sound Waves: Characteristics and Applications
This chapter explains sound as a form of energy produced by vibrations. Students learn how sound travels through different media and why it cannot travel through a vacuum. The chapter discusses important characteristics of sound, such as pitch, loudness, frequency, and amplitude. Students also learn about reflection of sound and the formation of echoes. The functioning of the human ear is also discussed.
Chapter 11 - Reproduction: How Life Continues
This chapter explains reproduction as the process through which living organisms produce offspring. Students learn about the importance of reproduction in ensuring the continuity of species. The chapter discusses both sexual and asexual reproduction in plants and animals. Different methods of reproduction are explained with suitable examples. Students also learn basic concepts related to human reproduction.
Chapter 12 - Patterns in Life: Diversity and Classification
This chapter introduces the vast variety of living organisms found on Earth. Students learn why classification is important for studying biodiversity. The chapter explains how organisms are grouped based on similarities and differences in their characteristics. Students become familiar with major groups of plants and animals. The chapter also shows the evolutionary relationships among living organisms.
Chapter 13 - Earth as a System: Energy, Matter, and Life
This chapter presents Earth as an interconnected system consisting of land, water, air, and living organisms. Students learn how energy flows through ecosystems and how matter is recycled in nature. The chapter explains the interactions between Earth's major spheres and their role in supporting life. It also explores human impact on the environment.
