These NCERT Solutions for Class 9 Science are free, and checked by our teachers. Made for 2026-27, they walk you through each step, so you're ready for your 2026 exams.
Why Use Our Science Solutions for Class 9
- Follows 2026-27 rules: every answer matches the current NCERT guidelines for Class 9 Science.
- Simple steps: even tricky Science problems are explained in a way that's easy to follow.
- Written for exams: answers are shaped to help you score well in 2026 exams, following the official marking style.
- Full coverage: every question at the end of each chapter has a solved answer.
Download Science Solutions for Class 9 (2026-27)
Choose a chapter below to see the complete NCERT solutions for Class 9 Science. Start with any chapter you like to begin your 2026 exam prep.
| Exploration Chapter 01 Exploration: Entering the World of Secondary Science NCERT Solutions |
| Exploration Chapter 02 Cell: The Building Block of Life NCERT Solutions |
| Exploration Chapter 03 Tissues in Action NCERT Solutions |
| Exploration Chapter 04 Describing Motion Around Us NCERT Solutions |
| Exploration Chapter 05 Exploring Mixtures and their Separation NCERT Solutions |
| Exploration Chapter 06 How Forces Affect Motion NCERT Solutions |
| Exploration Chapter 07 Work, Energy, and Simple Machines NCERT Solutions |
| Exploration Chapter 08 Journey Inside the Atom NCERT Solutions |
| Exploration Chapter 09 Atomic Foundations of Matter NCERT Solutions |
| Exploration Chapter 10 Sound Waves: Characteristics and Applications NCERT Solutions |
| Exploration Chapter 11 Reproduction: How Life Continues NCERT Solutions |
| Exploration Chapter 12 Patterns in Life: Diversity and Classification NCERT Solutions |
Free study material for Science
Chapter 1: MATTER IN OUR SURROUNDINGS
In this chapter the main key concepts you will be reading are Definition of matter; solid, liquid and gas; characteristics – shape, volume, density; change of state melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.
Chapter 2: IS MATTER AROUND US PURE?
In this chapter the main key concepts you will be reading are Elements, compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions.
Chapter 3: ATOMS AND MOLECULES
In this chapter the main key concepts you will be reading are Atoms and molecules, Law of constant proportions, Atomic and molecular masses. Mole concept: Relationship of mole to mass of the particles and numbers.
Chapter 4: STRUCTURE OF THE ATOM
In this chapter the main key concepts you will be reading are Electrons, protons and neutrons, valency, chemical formula of common compounds. Isotopes and Isobars.
Chapter 5: THE FUNDAMENTAL UNIT OF LIFE
In this chapter the main key concepts you will be reading are Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes – basic structure, number.
Chapter 6: TISSUES
In this chapter the main key concepts you will be reading are Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).
Chapter 7: DIVERSITY IN LIVING ORGANISMS
In this chapter the main key concepts you will be reading are Diversity of plants and animals-basic issues in scientific naming, basis of classification. Hierarchy of categories/groups, Major groups of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms).
Chapter 8: MOTION
In this chapter the main key concepts you will be reading are Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, derivation of equations of motion by graphical method; elementary idea of uniform circular motion.
Chapter 9: FORCE AND LAWS OF MOTION
In this chapter the main key concepts you will be reading are Force and Motion, Newton’s Laws of Motion, Action and Reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration. Elementary idea of conservation of Momentum.
Chapter 10: GRAVITATION
In this chapter the main key concepts you will be reading are Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Free fall.
Chapter 11: WORK AND ENERGY
In this chapter the main key concepts you will be reading are Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy.
Chapter 12: SOUND
In this chapter the main key concepts you will be reading are Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; the reflection of sound; echo and SONAR. Structure of the Human Ear (Auditory aspect only).
Chapter 13: WHY DO WE FALL ILL?
In this chapter the main key concepts you will be reading are Bio-geo chemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.
Chapter 14: NATURAL RESOURCES
In this chapter the main key concepts you will be reading are Air, Water, and Soil. Air for respiration, for combustion, for moderating temperatures; movements of air and its role in bringing rains across India. Air, water and soil pollution (brief introduction). Holes in ozone layer and the probable damages.
Chapter 15: IMPROVEMENT IN FOOD RESOURCES
In this chapter the main key concepts you will be reading are Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.
FAQs
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Yes, all solutions for Class 9 are strictly aligned with the latest rationalized NCERT syllabus. Deleted chapters have been removed, and answers for new question patterns have been updated for the current academic session.
Yes, our subject teachers provide detailed, step-by-step solutions for textbook exercises. This includes comprehensive answers for theoretical questions, solved numericals, and labeled diagrams wherever applicable.
Most NCERT school tests and board exam questions are drawn directly from official textbook exercises. Practicing these solutions helps Class 9 students understand the marking scheme and structure clear, high-scoring answers.
Yes, access to all NCERT solutions, practice worksheets, and revision notes for Class 9 is 100% free. Students and teachers can view or download any chapter without registration or hidden fees.
Yes, to assist students across different mediums, we provide Class 9 NCERT solutions in multiple languages, including English Medium and Hindi Medium (हिंदी माध्यम).