NCERT Solutions for Class 9 Science 2022

NCERT Solutions for Class 9 Science are given for the students so that they can get to know the in text question and chapter end question answers in case they are not able to find it. It is important for all the students who are in Class 9th currently. Here we are providing the solutions to all the chapters of Class 9 Science Textbook for the students. They can refer to samajik vigyan class 9 Physics, Chemistry and Biology Solutions while they are solving the questions from the Science Book.

NCERT Solutions for Class 9 Science
NCERT Solutions for Class 9 Science

NCERT Solutions for Class 9 Science

Class 9 Science NCERT Solutions is given here. Students can click on the links of the particular chapter for which they are finding the solutions.

  • Chapter 1 Matter in Our Surroundings
  • Chapter 2 Is Matter Around Us Pure
  • Chapter 3 Atoms and Molecules
  • Chapter 4 Structure of the Atom
  • Chapter 5 The Fundamental Unit of Life
  • Chapter 6 Tissues
  • Chapter 7 Diversity in Living Organisms
  • Chapter 8 Motion
  • Chapter 9 Force and Laws of Motion
  • Chapter 10 Gravitation
  • Chapter 11 Work, Power And Energy
  • Chapter 12 Sound
  • Chapter 13 Why Do we Fall Ill
  • Chapter 14 Natural Resources
  • Chapter 15 Improvement in Food Resources

The students who are in class 9th and have the NCERT Science Books can check this page to know the answers for all the chapters of Science book. They need to ensure that they are checking the solutions for the chapter which they intend to check.

FAQs on NCERT Solutions for Class 9 Science

1. What’s the best way to study Class 9 Science CBSE?

The best way to study Class 9 Science is through NCERT. Don’t just mug up the concepts instead go through all the concepts thoroughly. Make notes and practice as much as you can.

2. Where can I get the NCERT solutions for Class 9 Science?

You need not panic as we will give you all the NCERT Solutions for Class 9 Science all at one place on our site. View or download them and practice as and when you want.

3. Which is the best book of science for Class 9 CBSE?

We will not specifically say one book is the best for preparing Class 9 Science. Instead, we will ay try covering all the concepts in NCERT Textbooks prescribed for Class 9 Science that can help in your Exams.

4. How do I score good marks in science class 9?

The only key for scoring more marks in the CBSE Class 9 Science Exam is through sheer practice. It’s the best way to score well in the exams as well as get command on the subject.

5. Where can I get CBSE Class 9 Sample Papers?

Aspirants can get the CBSE Class 9 Sample Papers that can ace up preparation for free of cost from our page. Check out the links available on our site and use them as a reference to score better grades in the exam.

6. What are the study tips for Class 9 Science Exam?

Some of the best tips that help you to score more in your Class 9 Science Exam are as follows

  • Make a proper plan and schedule to study
  • Focus on the basic concepts and try concentrating on weaker areas.
  • Dedicate time to each of the concepts.
  • Practice as much as you can to score well.

NCERT Solutions of Class 9 Science Book Chapter brief

Chapter 1: Matter in Our Surrounding

The Class 9 science textbooks start with the chapter “Matter In Our Surrounding”. Everything that we see around us is made up of material which is called a matter. These things occupy space and have mass. Earlier, Indian philosopher had classified matter into 5 basic elements, Panch Tatva – air, water, earth, sky and fire. Now, modern scientists have evolved with 2 types of classification i.e. based on physical property and chemical nature. In this chapter, students will learn about the physical properties of matter.

The matter is made up of particles and these particulars are very small. The particles of matter have space between them, they are continuously moving and attract each other. The matter around us exists in 3 different states – solids, liquids and gases. These states of matter arise due to variation in the characteristic of the particles of matter. All the 3 states of matters have been explained in-depth with the help of activities. Further, the textbook explains that the state of matter is inter-convertible. The state of matter can be changed by changing temperature or pressure. The phenomenon of change of a liquid into vapour at any temperature below its boiling point is called evaporation. The rate of evaporation depends upon the surface area exposed to the atmosphere, the temperature, the humidity and the wind speed. Evaporation also causes cooling.

Chapter 2: Is Matter Around Us Pure – Term I

This chapter of NCERT Class 9 Science students will study about the mixture, solution, properties of solutions, separation of mixtures, physical and chemical changes. Along with this, they will also learn about compounds and their properties, the difference between mixtures and compounds, classification of matter.

Topics Covered in Class 9 Science Chapter 2 Is Matter Around Us Pure  for First Term:

Nature of matter: Elements, compounds and mixtures. Heterogeneous and homogenous mixtures,

colloids and suspensions.

Chapter 3: Atoms and Molecules – Term II

In NCERT Class 9 Science Chapter 3, students will learn the laws of chemical combination, atoms and molecules. They will get to know how to write a chemical formula, molecular mass and mole concepts and some numerical problems related to these concepts.

Topics Covered in Class 9 Science Chapter 3 Atoms and Molecules  for Second Term:

Particle nature and their basic units: 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 – Term II

This chapter of NCERT Class 9 Science deals with the various atomic models of atoms that were proposed by different scientists. In addition to it, this chapter also covers electrons distribution in different orbits, calculation of valency, atomic number and mass number.

Topics Covered in Class 9 Science Chapter 4 Structure of the Atom  for Second Term:

Structure of atoms: Electrons, protons and neutrons, valency, chemical formula of common

compounds. Isotopes and Isobars.

Chapter 5: The Fundamental Unit of Life – Term I

This chapter is related to the Biology part. In this chapter, students will get to know that cell is the fundamental unit of life. The whole chapter revolves around the cell and its structural organisation, in which students will learn about plasma membrane, cell wall, nucleus, cytoplasm and structure of an animal cell.

Topics Covered in Class 9 Science Chapter 5 The Fundamental Unit of Life  for First Term:

Cell – Basic Unit of life: 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 – Term I

This chapter pertains to the basic definition of tissue and then elaborates on the Plant and Animal tissue with proper diagrams. Students will get to know the different types of plant and animal tissues with a detailed explanation of each.

Topics Covered in Class 9 Science Chapter 6 Tissues  for First Term:

Tissues, Organs, Organ System, Organism:

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 Organism

This chapter deals with the classification of plants and animals. Students get to know that all living organisms are divided into 5 kingdoms namely Monera, Protista, Fungi, Plantae and Animalia. It also describes the classification and evolution, the hierarchy of classification.

Chapter 8: Motion – Term I

NCERT Class 9 Science chapter 8 describes motion, the speed with direction, rate of change of velocity, graphical representation of motion. Also, students will find the 3 equations of motion and numerical problems related to it. Overall, this chapter will be a mix of theory as well as the numerical part.

Topics Covered in Class 9 Science Chapter 8 Motion  for First Term:

Motion: 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 Law of Motion – Term I

This chapter explains the 3 laws of motions with the help of diagrams and examples. Below are the 3 laws of motions:

First law of motion: An object continues to be in a state of rest or of uniform motion along a straight line unless acted upon by an unbalanced force.

Second law of motion: The rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of the force.

Third law of motion: To every action, there is an equal and opposite reaction and they act on two different bodies.

Topics Covered in Class 9 Science Chapter 9 Force and Law of Motion  for First Term:

Force and Newton’s laws: 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 – Term II

In chapter 10 of NCERT Class 9 Science, students will learn the universal law of gravitation and its importance, free fall, mass, weight, thrust and pressure, Archimedes’ principle and relative density. Students will also find numerical problems related to these topics.

Topics Covered in Class 9 Science Chapter 10 Gravitation  for Second Term:

Gravitation: 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  – Term II

In this chapter, the concept of work is defined with different activities, numerical and examples. The chapter also deals with energy and its different forms. Examples are given to explain all types of energy. The chapter ends with the topic “rate of doing the work”.

Topics Covered in Class 9 Science Chapter 11 Work and Energy  for Second Term:

Work, energy and power: Work done by a Force, Energy, power; Kinetic and Potential energy;

Law of conservation of energy.

Chapter 12: Sound

Chapter 12 of CBSE Class 9 Science, deals with concepts such as production of sound, propagation of sound, the reflection of sound, range of hearing, applications of ultrasound, the structure of the human ear. A few numericals are also there in the chapter which can only be solved after understanding the concepts. So, students must grasp and study the chapter carefully.

Chapter 13: Why Do We Fall Ill – Term II

NCERT Class 9 Science chapter 13 deals with health issues and different types of diseases. It covers topics like; Health and its failure, disease and its cause, infectious diseases. This chapter is added to make students aware of different types of diseases so that they take care of their health and be fit and healthy.

Topics Covered in Class 9 Science Chapter 13 Why Do We Fall Ill  for Second Term:

Health and Diseases: Health and its failure. Infectious and Non-infectious diseases, their causes and

manifestation. Diseases caused by microbes (Virus, Bacteria and Protozoans) and their prevention;

Principles of treatment and prevention. Pulse Polio programmes.

Chapter 14: Natural Resources – Only for Internal Assessment

We are blessed with natural resources. These are essential to meet the basic requirements of all forms of life on Earth. So, this chapter has been included by NCERT to provide knowledge on types of resources available on the Earth. This chapter deals with the topics like air, water, soil, biogeochemical cycle and the ozone layer, its importance and how humans are polluting them.

Topics Covered in Class 9 Science Chapter 14 Natural Resources  for Internal Assessment:

Physical resources: Air, Water, 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.

Bio-geo chemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.

Chapter 15: Improvement in Food Resources

The last chapter of NCERT Class 9 Science covers topics like Improvement in crop yields, manure, fertilizer, storage of grains, animal husbandry. This chapter provides knowledge regarding agriculture, farming and dairy.

NCERT Solutions for Class 9 Science PDF Download 

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