Get the Updated NCERT Solutions for Class 9 Science all chapters for the academic session 2020–2021. These NCERT Solutions contains answers of all in-text and exercise questions. These solutions are prepared by expert teachers that clear all your doubts while solving class 9 science textbook questions. Students studying in class 9 are required to solve these questions to score good marks in the exam.
These CBSE Class 9 Science NCERT Solutions cover solutions to all the important chapters included in the textbook-such as Matter, Atom, Tissues, Living Organisms, Motion, Force, Laws of Motion, Gravitation, Energy and work, Sound, Natural Resources, etc. All these topics are explained in detailed so that students have a proper understanding of the topics.
NCERT Solutions for Class 9 Science Chapter wise Free PDFs
Class 9 Science NCERT Solutions are given below. Students can click on the links of the particular chapter to access 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 and Energy
- Chapter 12: Sound
- Chapter 13: Why Do We Fall ill?
- Chapter 14: Natural Resources
- Chapter 15: Improvement in Food Resources
NCERT Solutions of Class 9th Science Book Chapter brief:
Chapter 1 – Matter in Our Surroundings
As the name suggests in this chapter, you will be learning about matters. Everything that exists in the universe is made up of matter. Anything that occupies space and has mass is called matter. This chapter explains the physical and chemical properties of matter. Further, it talks about the states of matter viz., Solid, Liquid, and Gas.
Chapter 2 – Is Matter Around Us Pure?
Chapter 2 of class 9 science explains about mixtures, types of mixtures, solutions, and the methods of separation of mixtures. Further, it talks about the suspension, colloidal solutions, properties of colloid solutions, etc.
Chapter 3 – Atoms and Molecules
In the previous chapter, you have learned about matter and its states. In this chapter, you will know that matters are made up of atoms and molecules. Further, you will be learning how to write chemical formulae of different atoms, molecules, and simple compounds.
Chapter 4 – Structure of The Atom
The structure of the atom is an exciting chapter. In this chapter, you will learn about the various atomic model viz., Thompson’s model of an atom, Rutherford’s model of an atom, and Bohr’s model of the atom. Gradually, the chapter explains to you about electronic shells, orbits, neutrons, valency.
Chapter 5 – The Fundamental Unit of Life
Chapter 5 is related to biology. It explains about the cell, structural organization of the cell, and their functions. Gradually, it explains about two processes viz, mitosis, and meiosis that involves in cell division.
Chapter 6 – Tissues
In this chapter, students will get to know about different kinds of plants and animal tissues. Some of the important topics that have been discussed in this chapter are epithelial tissue, connective tissue, meristematic tissues, etc.
Chapter 7 – Diversity in Living Organisms
The world has a vast diversity in living organisms. In this chapter, you will learn the living organisms are classified into different groups. This chapter discusses mainly the plant and animal kingdom.
Chapter 8 – Motion
In chapter 8, you will learn about motion and types of motion. Further, you will learn to calculate the speed, time, and distance mathematically. Important topics such as displacement, acceleration, scaler, and vector have also been explained in this chapter.
Chapter 9 – Forces and Law of Motion
As the name suggests, the chapter explains to you about different kinds of forces and three fundamental laws of motion. Further, the chapter discusses momentum, conservation of momentum, formulation of the second law of motion, etc.
Chapter 10 – Gravitation
In this chapter, students will learn about gravitation, Newton’s universal law of gravitation and its importance. Further, you will get to know how to calculate the value of gravitational constant. Important topics like mass, weight, pressure, thurst are also explained in this chapter.
Chapter 11 – Work and Energy
In chapter 11 of NCERT 9th class Science, students will learn about the concept of work and energy with numerical and examples. The chapter explains the scientific conception of work, different forms of energy in detail. The chapter concludes with the topic of conservation of energy and commercial unit of energy.
Chapter 12 – Sound
Chapter12 of CBSE class 9 is an important and exciting chapter. In this chapter, you will learn about the production of sound, propagation of sound. Further, the chapter explains the reflection of sound, echo, reverberation, etc. At last, the chapter tells us about ultrasound and the structure of the human ear.
Chapter 13 – Why do We Fall ill
In this chapter, you will be learning about health and diseases. This chapter includes some of the essential topics like the significance of health, disease and its causes, the principle of treatment, etc.
Chapter 14 – Natural Resources
To sustain our life, we need resources. In this chapter, you will learn about some natural resources such as water, soil, and air. Further going through the chapter, you will know about different biological cycles occurring in the environment. The chapter ends with an essential topic which is Ozone.
Chapter 15 – Improvements in Food Resources
Chapter 15 covers topics such as improvement in crop yields, manure, fertilizers, irrigation, etc. The chapter also gives you knowledge about animal husbandry, dairy, and farming.
FAQs on NCERT Solutions for Class 9 Science
Q1. How to study NCERT Solutions for Class 9 Science and get good marks in the exam?
Answer: The best way to get good marks in the exam is studying NCERT Solutions and understanding each concepts of class 9 science textbook.
Q2. How many chapters are there in NCERT Science textbook of Class 9 as per the latest CBSE syllabus?
Answer: As per latest syllabus there are a total of 15 chapters in NCERT Class 9 Science textbook.
Q3: Which is the best book of science for Class 9 CBSE?
Answer: NCERT textbook is considered as the most authentic books available in the market. But, students can also try different reference books to understand the concepts in more detail.
Q4. Study tips for Class 9 Science Exam
There is no shortcut way to score good marks in the exam. To score good marks in the exam student can follow the tips mentioned below:
- 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.