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Class 9 Exam  >  Class 9 Notes  >  NCERT Solutions for Class 9 Science

NCERT Solutions for Class 9 Science PDF Download

NCERT Solutions for Class 9 Science


The extremely crucial information in NCERT Solutions Science Class 9 aids students in grasping difficult concepts and aids in their preparation for the Class 9 test. Your comprehension of a particular topic will be confirmed by studying the answers to the questions in the Book, which will also help you identify your strengths and weaknesses. Our subject specialists have created these NCERT Solutions for Class 9 Science in such a way that it will be easy for students to comprehend all the material contained in the CBSE 9 Science syllabus.

NCERT Solutions for Class  9 ScienceNCERT Solutions for Class  9 Science

Chapter Wise NCERT Solutions for Class 9 Science


Chapter Wise NCERT Solutions for Class 9 Science is a comprehensive set of solutions to the exercises provided in the NCERT Class 9 Science textbook. These solutions are designed to help students of Class 9 studying in CBSE-affiliated schools to prepare for their Science exam.
The Chapter Wise NCERT Solutions for Class 9 Science cover all the chapters of the textbook, including Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of the Atom, The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, and Natural Resources.

NCERT Solutions for Class 9 Science Chapter 1: Is Matter Around Us Pure

Students will learn about chemical reactions, how to write equations, how to carry out combination and decomposition reactions, and more in the first chapter of Class 9 NCERT Science. We have studied the physical and chemical alterations of matter in earlier courses. Chemical reactions can be defined as any time a chemical change takes place. Chemical reactions are a symbolic representation of the reactants, products, and their physical states. As a symbolic depiction of a chemical process, students will also learn how to write a chemical reaction. The chapter also describes the multiple states in which distinct chemical equations can be balanced.

Topics Covered in Class 9 Science Chapter 1 Is Matter Around Us Pure:
Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic exothermic reactions, oxidation and reduction.

Also access the following resources for Class 9 Chapter 1 Is Matter Around Us Pure at EduRev:

NCERT Solutions for Class 9 Science Chapter 2: Atoms And Molecules


NCERT Class 9 Science Chapter 2 is all about Atoms And Molecules. In this chapter, we will study the reactions of acids and bases, how acids and bases cancel out each other’s effects and many more interesting things that we use in our day-to-day life. Students will get to understand the chemical properties of acids and bases, how acids and bases react with metals, how  metal carbonates and metal hydrogen carbonates react with acids, how acids and bases react with each other, reaction of metallic oxides with acids and reaction of a non-metallic oxide with base explained with suitable examples and various chemical reactions.

Topics Covered in Class 9 Science Chapter 2 Atoms And Molecules:
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, neutralization, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

Also access the following resources for Class 9 Chapter 2 Atoms And Molecules at EduRev:

NCERT Solutions for Class 9 Science Chapter 3: Structure of the Atom


In previous classes, students must have learned about various elements that can be classified as metals or non-metals on the basis of their properties. Here in Chapter 3 of Class 9 Science, students will learn about the physical properties of metals and non-metals.

Topics Covered in Class 9 Science Chapter 3 Structure of the Atom:
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.

NCERT Solutions for Class 9 Science Chapter 4: The Fundamental Unit Of Life


In this chapter, students will study some more interesting compounds and their properties. The chapter also explains some of the chemical properties of carbon and its compounds such as combustion, oxidation, addition reaction, substitution reaction. Ethanol and ethanoic acid are carbon compounds of importance in our daily lives. Soaps and detergents are studied with their chemical structures and properties and their difference is also discussed.

Topics Covered in Class 9 Science Chapter 4 The Fundamental Unit Of Life:

Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Also access the following resources for Class 9 Chapter 4 The Fundamental Unit Of Life at EduRev:

NCERT Solutions for Class 9 Science Chapter 5: Tissues


In this chapter, Periodic Classification of Elements, elements in the Modern Periodic Table are arranged in 18 vertical columns called groups and 7 horizontal rows called periods. Elements thus arranged show periodicity of properties including atomic size, valency or combining capacity and metallic and non-metallic character. The valency of an element is determined by the number of valence electrons present in the outermost shell of its atom. The term atomic size refers to the radius of an atom.

Also access the following resources for Class 10 Chapter 5 Tissues at EduRev:

NCERT Solutions for Class 9 Science Chapter 6: Motion


NCERT Class 10 Science Chapter 6 explains Life Processes. The chapter also teaches about nutrition which means the process of taking in food and using it for growth, metabolism and repair. The next topic is nutrition in human beings. The various steps of nutrition are ingestion, digestion, Oesophagus, stomach, small intestine, bile, absorption, assimilation and egestion. The next subtopic is respiration in which the human respiratory system is explained beautifully. The different elements of the human respiratory system are lungs, bronchi, larynx, pharynx, etc.

Topics Covered in Class 9 Science Chapter 6 Motion:

Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.

Also access the following resources for Class 9 Chapter 6 Motion at EduRev:

NCERT Solutions for Class 9 Science Chapter 7: Force and Laws of Motion


Chapter 7 of Class 10 teaches about control and coordination which are the functions of the nervous system and hormones in our bodies. The responses of the nervous system can be classified as  reflex action, voluntary action or involuntary action.

Topics Covered in Class 9 Science Chapter 7 Force and Laws of Motion:
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.

Also access the following resources for Class 9 Chapter 7 Force and Laws of Motion at EduRev:

NCERT Solutions for Class 9 Science Chapter 8: Gravitation

How do Organisms Reproduce chapter involves the creation of a DNA copy and additional cellular apparatus by the cell involved in the process. 

Topics Covered in Class 9 Science Chapter 8 Gravitation:
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health – need and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women’s health.

 Also access the following resources for Class 9 Chapter 8 Gravitation at EduRev:

NCERT Solutions for Class 9 Science Chapter 9: Work and Energy


In this chapter, Students will learn about Heredity and Evolution. Reproductive processes give rise to new individuals that are similar, but subtly different. It has already been discussed how some amount of variation is produced even during asexual reproduction. 

Topics Covered in Class 9 Science Chapter 9 Heredity and Evolution:
Heredity and Evolution: Heredity; Mendel’s contribution – Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded – evolution; evolution and classification and evolution should not be equated with progress).

Also access the following resources for Class 9 Chapter 9 Work and Energy at EduRev:

NCERT Solutions for Class 9 Science Chapter 10: Why do we fall ill?


In  NCERT Class 9 Science Chapter 10, we will study the phenomena of reflection and refraction of light using the straight-line propagation of light. These basic concepts will help us in the study of some of the optical phenomena in nature. The chapter also discusses the reflection of light by spherical mirrors and refraction of light and their application in real life. 

Topics Covered in Class 9 Science Chapter 10 Why do we fall ill?:

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required),magnification.

Refraction; Laws of refraction, refractive index.

Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula(Derivation not required); Magnification. Power of a lens.

Also access the following resources for Class 9 Chapter 10 Why do we fall ill? at EduRev:

NCERT Solutions for Class 9 Science Chapter 11: Natural Resources


In the previous chapter, students learnt about light and some of its properties. In this chapter, we will study some of the optical phenomena in nature. The chapter also discusses the rainbow formation, splitting of white light and blue color of the sky.

Topics Covered in Class 9 Science Chapter 11 Natural Resources:
Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life (excluding colour of the sun at sunrise and sunset).

Also access the following resources for Class 9 Chapter 11 Natural Resources at EduRev:

NCERT Solutions for Class 9 Science Chapter 12: Matter In Our Surroundings


Class 9 chapter 12 - Matter In Our Surroundings carries at least 8 marks according to the question paper patterns observed in the previous years. The main topics and sub topics covered under this chapter are given below.

Topics Covered in Class 9 Science Chapter 12 Matter In Our Surroundings:
Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R.

Also access the following resources for Class 9 Chapter 12 Magnetic Effects of Electric Current at EduRev:

NCERT Solutions for Class 9 Science Chapter 13: Diversity In Living Organisms


In this chapter students will study magnetic fields and such electromagnetic effects, along with electromagnets and electric motors which involve the magnetic effect of electric current, and electric generators, which involve the electric effect of moving magnets.

Topics Covered in Class 9 Science Chapter 13 Diversity In Living Organisms:
Magnetic effects of current: Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s Left Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Also access the following resources for Class 9 Chapter 13 Diversity In Living Organisms at EduRev:

NCERT Solutions for Class 9 Science Chapter 14: Sound


In this chapter, all the important topics of Chapter 14 Sources of Energy such as the Classification of energy resources, renewable and non-renewable energy resources, conventional sources of energy, biomass, hydroelectric power plant, wind energy, non-conventional sources, energy from the ocean (tidal energy, wave energy, ocean thermal energy) and how to harness it, geothermal energy, nuclear energy, the difference between conventional and non-conventional energy resources, advantage and disadvantages of the thermal power plant, solar panel, energy conversion have been discussed.

Also access the following resources for Class 9 Chapter 14 Sound at EduRev:

NCERT Solutions for Class 9 Science Chapter 15: Improvement in Food Resources


This chapter discusses how various components in the environment interact with each other and how we impact the environment. The various components of an ecosystem are interdependent. The producers make the energy from sunlight available to the rest of the ecosystem.

Topics Covered in Class 9 Science Chapter 15 Improvement in Food Resources:
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

Also access the following resources for Class 9 Chapter 15 Improvement in Food Resources at EduRev:

CBSE Class 9 Science Unit-wise Weightage for 2022-23


NCERT Solutions for Class 9 Science

Internal Assessment for CBSE Class 9 Science

Internal assessment carries 20 marks in their curriculum. CBSE class 9 Science internal assessment details are briefed below. 

  • Periodic Test (5 marks)
    In the internal assessment, schools will administer periodic tests worth five marks each. The student's total score will be determined by averaging the results of their two highest-scoring tests.
  • Diverse Method of Assessment (5 marks)
    The evaluation of students in schools involves a range of assessment methods, including short tests, oral tests, quizzes, and projects. The student's performance in these assessments is taken into account when awarding internal marks.
  • Practical and Laboratory Work (5 marks)
    In recognition of their practical and laboratory work, students will receive a five mark score.
  • Portfolio (5 marks)
    As part of the internal assessment process, students are required to create a portfolio that showcases their classwork and a sample of their own creation. This portfolio is evaluated and assigned a score of five marks.

Importance of NCERT Solutions for Class 9 Science

The availability of NCERT solutions for Science in class 9 provides students with a valuable opportunity. As a crucial building block for future board exams, class 9 lays the fundamental groundwork for a range of subjects, including Engineering, Medical, Commerce, and Arts. By gaining a strong understanding of these fundamentals, students are better equipped to make informed decisions about their academic and career paths. Furthermore, the reliability and trustworthiness of the NCERT books provide students with a dependable resource to guide their learning.

Benefits of EduRev’s NCERT Science Solutions for Class  9


Class 9 Science covers topics from all three branches of science - Physics, Chemistry, and Biology - each of which requires a different approach to develop a strong understanding. For instance, Chemistry demands a thorough understanding of reactions and their conditions, as well as the ability to recall these reactions for later use. Physics, on the other hand, requires a clear understanding of concepts and formulas that are presented in the NCERT textbook. In Biology, it is essential to take good notes and create concise bullet points to capture key information. To excel in class 9 Science, students must complete the exercises provided in the NCERT textbook, which are primarily based on theoretical knowledge.


 Students can also access NCERT Solutions  for of all subjects of Class 9:

Frequently Asked Questions (FAQs): NCERT Solutions for Class 9 Science

How to grasp the important concepts covered in the NCERT Solutions for Class 9 Science?


Students who aspire to score good marks in the Class 9 exams are advised to study the NCERT Solutions from the EduRev App. The solutions are curated with utmost care by a set of faculty having vast experience in the respective subject. Each and every minute detail is explained in an interactive manner to make it easier for the students while learning. The step-wise solutions are designed by keeping in mind the marks weightage allotted as per the CBSE guidelines.

Will the NCERT Solutions for Class 9 Sciencehelp me to solve problems easily?


The Class 9 exam is one of the major turning points in the life of students. Science is a subject which mainly contains numericals, and understanding of concepts helps to score more marks. Students are recommended to first understand the syllabus for the academic year and learn the concepts based on them for better performance. Solving the Book problems by referring to the solutions will improve the logical thinking and analytical skills among students.

Where will I get the NCERT Solutions for Class 9 Science?


Students can get the NCERT Solutions for Class 9 Science at the EduRev App. The solutions are prepared by the subject matter experts keeping in mind the understanding capacity of students. The main objective of creating solutions is to help students learn complex concepts without any difficulty. Students can also cross-check their answers while solving the Book problems to get an idea about the other methods of answering the questions efficiently.

Are the NCERT Solutions for Class 9 Science useful for the students under the CBSE board?


Given below are some of the uses of the NCERT Science Solutions for Class 9 –

1. It builds a strong foundation of fundamental concepts and improves confidence to face exams.

2. The method of solving complex problems can be learnt easily.

3. It is a perfect study material for the students to finish their assignments on time and to score more marks in the exams.

How to get an idea about the important concepts in the NCERT Solutions for Class 9 Science?


Before the start of an academic year, students should download the CBSE syllabus and go through it for a clear idea about the concepts which are important for the exams. Students must solve the NCERT Book problems by choosing the correct study material which satisfies their needs. Practising the problems on a regular basis by referring to the NCERT Solutions for Class 9 Science improves the problem-solving abilities of students.

The document NCERT Solutions for Class 9 Science is a part of Class 9 category.
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Document Description: NCERT Solutions for Class 9 Science for Class 9 2024 is part of Class 9 preparation. The notes and questions for NCERT Solutions for Class 9 Science have been prepared according to the Class 9 exam syllabus. Information about NCERT Solutions for Class 9 Science covers topics like NCERT Solutions for Class 9 Science, Chapter Wise NCERT Solutions for Class 9 Science, CBSE Class 9 Science Unit-wise Weightage for 2022-23, Internal Assessment for CBSE Class 9 Science, Importance of NCERT Solutions for Class 9 Science, Benefits of EduRev’s NCERT Science Solutions for Class  9, Important Related Links for CBSE Class 9 Science, Frequently Asked Questions (FAQs): NCERT Solutions for Class 9 Science and NCERT Solutions for Class 9 Science Example, for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for NCERT Solutions for Class 9 Science.
Introduction of NCERT Solutions for Class 9 Science in English is available as part of our Class 9 preparation & NCERT Solutions for Class 9 Science in Hindi for Class 9 courses. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free. Class 9: NCERT Solutions for Class 9 Science
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Additional Information about NCERT Solutions for Class 9 Science for Class 9 Preparation

NCERT Solutions for Class 9 Science Free PDF Download

The NCERT Solutions for Class 9 Science is an invaluable resource that delves deep into the core of the Class 9 exam. These study notes are curated by experts and cover all the essential topics and concepts, making your preparation more efficient and effective. With the help of these notes, you can grasp complex subjects quickly, revise important points easily, and reinforce your understanding of key concepts. The study notes are presented in a concise and easy-to-understand manner, allowing you to optimize your learning process. Whether you're looking for best-recommended books, sample papers, study material, or toppers' notes, this PDF has got you covered. Download the NCERT Solutions for Class 9 Science now and kickstart your journey towards success in the Class 9 exam.

Importance of NCERT Solutions for Class 9 Science

The importance of NCERT Solutions for Class 9 Science cannot be overstated, especially for Class 9 aspirants. This document holds the key to success in the Class 9 exam. It offers a detailed understanding of the concept, providing invaluable insights into the topic. By knowing the concepts well in advance, students can plan their preparation effectively. Utilize this indispensable guide for a well-rounded preparation and achieve your desired results.

NCERT Solutions for Class 9 Science Notes

NCERT Solutions for Class 9 Science Notes offer in-depth insights into the specific topic to help you master it with ease. This comprehensive document covers all aspects related to NCERT Solutions for Class 9 Science. It includes detailed information about the exam syllabus, recommended books, and study materials for a well-rounded preparation. Practice papers and question papers enable you to assess your progress effectively. Additionally, the paper analysis provides valuable tips for tackling the exam strategically. Access to Toppers' notes gives you an edge in understanding complex concepts. Whether you're a beginner or aiming for advanced proficiency, NCERT Solutions for Class 9 Science Notes on EduRev are your ultimate resource for success.

NCERT Solutions for Class 9 Science Class 9 Questions

The "NCERT Solutions for Class 9 Science Class 9 Questions" guide is a valuable resource for all aspiring students preparing for the Class 9 exam. It focuses on providing a wide range of practice questions to help students gauge their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation. The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level. Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.

Study NCERT Solutions for Class 9 Science on the App

Students of Class 9 can study NCERT Solutions for Class 9 Science alongwith tests & analysis from the EduRev app, which will help them while preparing for their exam. Apart from the NCERT Solutions for Class 9 Science, students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc. The EduRev App will make your learning easier as you can access it from anywhere you want. The content of NCERT Solutions for Class 9 Science is prepared as per the latest Class 9 syllabus.
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