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Class 9 Science Chapterwise NCERT Solutions and important notes of Science
Class 9 Science NCERT Solutions and science notes are not only for the class 9 science CBSE Students but also useful for the class 11 CBSE Science students and the candidates who are pursuing the preparation for government entrance exams like Polytechnic entrance exams of all states, NEET, AIEEE, JEE NDA, CDS, IAS, etc. Class 9 Science NCERT Solutions and science notes will cover science general awareness questions for all competitive entrance exams. Class 9 Science NCERT Solutions and science notes will clear the basics of physics, chemistry, and biology which is a preliminary course before you go through the higher class physics, chemistry, and biology. All NCERT Solutions are written by a CBSE Science expert teacher. We also have prepared Class 9 science e-books in the form of physics, chemistry, and biology notes.
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Table of content
- Class 9 Science syllabus
- Class 9 Science Chapterwise NCERT Solutions
- Class 9 Physics important notes
- Class 9 chemistry important notes
- Class 9 biology important notes
- Frequently asked questions on class 9 Science NCERT Solutions
Class 9 CBSE Science Syllabus: NCERT Science
Chapter 1-Matter in our surroundings
Content: Definition of the matter, three states of the matter solid, state, and gas, properties of particles of the matter, evaporation, vaporization, condensation, sublimation, latent heat of the fusion, and latent heat of vaporization.
Chapter 2-Is matter around us pure?
Content: The homogenous and heterogeneous mixture, solution, suspension, colloid, different kinds of colloids, Tyndal effect, and the ways of separating components from the mixtures.
Chapter3- Atoms and Molecules
Content: Dalton’s postulates of atomic theory, the definition of the atom and molecule, atomicity, element and compound, chemical formula, the difference between atom and molecule, Avogadro number, molar mass, and mole concept.
Chapter 4-Structure of the Atom
Content: Thompson’s atomic modal, rutherford’s atomic model, Neil’s Bohr’s atomic modal, the discovery of the electron, proton, and neutrons, the electronic configuration of the atom
Chapter 5-Fundamental unit of life
Content: Definition of the cell, animal cell, and plant cell, cell organelles, plasma membrane, cytoplasm, endoplasmic reticulum, the nucleus of the cell, DNA and RNA, mitochondria, Golgi apparatus, lysosomes, microbes,Celia and flagella
Chapter 6- Tissues
Content: Definition of tissues, function, and the structure of plant and animal tissues
Chapter 7- Diversity in living organisms
Content: Hierarchy of classification of the organisms,5 kingdoms of the organism, Eukaryotic and prokaryotic cell, plant kingdoms, animal kingdoms.
Chapter 8- Motion
Content: Uniform and non-uniform motion, distance and displacement, speed and velocity,average speed and average velocity, three equation of the motion and their verification by the graphical method
Chapter 9- Force and laws of motion
Content: Definition of the force, momentum, conservation of the momentum, first law of the motion, inertia, application of inertia in real life, second law of the motion and third law of the motion, application of third law of the motion
Chapter 10- Gravitation
Content: Universal law of gravitational force, universal constant of the gravitational force, the relationship between G and g, thrust and pressure, application of thrust and pressure in real life, the force of buoyancy, Archimedes principle
Chapter 11- Work and Energy
Content: Definition of the work, work formula, definition of the energy, mechanical energy, kinetic energy, potential energy, the formula of kinetic energy and potential energy, power, power formula, the relationship between joule and kilowatt-hour
Chapter 12- Sound
Content: The propagation of the sound waves, rarefaction, and compression in the sound wave, frequency, amplitude, velocity and wavelength of sound waves, types of the waves, longitudinal and transverse waves, infrared, ultrasonic waves
Chapter 13-Why do we fall ill?
Content: The definition of the health, immune system, illness, infectious diseases, deficiency diseases, hereditary diseases, physiological diseases, acute and chronic diseases, communicable and non-communicable diseases, COPD, asthma, the diseases caused by the bacteria and viruses.
Chapter 14- Natural Resources
Content: Natural resources, the number of gases in the atmosphere, the percentage of the water on the earth, renewable and non-renewable resources, the causes of acid rain, soil erosion, water cycle, nitrogen cycle, and oxygen cycle, greenhouse effects, and its effects on global warming, the ozone layer.
Chapter 15-Improvement in food resources
Content; The role of food in our life, why did we need to increase the production of the food, Kharif and rabi crop, improvement in crop yield, nutrient management, irrigation, cropping pattern, type of manure and fertilizer, and sources of irrigation.
Class 9 Science Chapterwise NCERT Solutions
Chapter 1-Matter in our surroundings
Chapter 2-Is matter around us pure?
Chapter 4-Structure of the Atom
Chapter 5-Fundamental unit of life
Chapter 7- Diversity in living organism
Chapter 9- Force and laws of motion
Chapter 13-Why do we fall ill ?
Chapter 15-Improvement in food resources
Last years question papers & sample papers
Class 9 Physics Important Notes
What is the difference between Distance and Displacement
What is the difference between Speed and Velocity?
Average Speed and Average velocity
Momentum: Definitions,units,formula and Uses in real life:Class 9 CBSE
Momentum: Definitions,units,formula and Uses in real life:Class 9 CBSE
What is the universal law of gravitational force?
Thrust and Pressure: Difference
What is the difference between mass and weight
Archimedes Principle: Complete detail
What is the difference between Work,Energy and Power: Class 9 CBSE
CBSE IX Class Science Sample Papers
Class 9 Chemistry Important Notes
Evoporation,Vapourization and Latent heat
How does the water kept in an earthen pot become cold during summer?
What are the factors affecting evaporation?,
What is the difference between solution,colloid and suspension?
What is the difference between element and the compound?
Difference between Atom and Ion : Class 9 CBSE Science
What is the difference between Atom and Molecule?
Determining Valency, Net Charge and Molecular Formula
Molar mass,molecular mass and mole concept
If energy is conserved then why do we need to save it for future generations?
Class 9 Biology Important Notes
Structure and Function of Cell : Cell Biology
What is the difference between Prokaryotic Cell and Eukaryotic Cell?
Function and structure of Mitochondria
Difference between Animal cell and Plant Cell
Difference between Smooth Endoplasmic Reticulum and Rough Endoplasmic Reticulum
Structure and Function of Cell : Cell Biology
What are Chromosomes, DNA and Genes?
Types of plant tissues : Class 9 CBSE Notes
Animal Tissues : Class 9 Science CBSE
What is the green house effect?
Class 9 Science previous years Question papers with solutions and important questions and answers.
CBSE class 9 th chemistry extra questions for SA2 exams
Class 9 Science Unit test -2 for the preparation of Term-2 CBSE Exam (2021-22)
CBSE Class 9-Question paper of science 2020 with solutions
CBSE Class 9-Sample paper of science
CBSE Class 9-Unsolved question paper of science 2019
Click the link for NCERT Solutions for classes 9,10,11 and 12 of Maths & Science
NCERT Solutions and CBSE notes for Class 9,10,11 and 12 of Maths and Science
NCERT Solutions of Class 9 Science : Chapter 1 to Chapter 15
NCERT Solutions of Class 9 Maths : from chapter 1 to 15
Frequently asked questions
Question 1: Are Class 9 Science NCERT Solutions and important science notes free of cost?
Ans: Yes, you can study all Class 9 Science NCERT Solutions and important science notes free of cost.
Question 2: Are Class 9 Science NCERT Solutions and important science notes sufficient for gaining excellent marks?
Ans: Yes, if you study them regularly, and understand the concepts of science, you need not go through other help books, we also suggest you go through previous years’ solved or unsolved question papers of science.
Class 9 Science previous year’s question papers and sample papers
Question3: How often I should study class 9 science NCERT Solutions and notes for achieving over 90% marks?
Ans: You have to study Class 9 Science NCERT Solutions & Notes regularly with a maximum one-week revision cycle for achieving over 90% marks.
Question4: Can I download Class 9 Science NCERT Solutions & Notes?
Ans; Yes, you can download all study material of Class 9 Science NCERT Solutions & Notes from here
Class 9,physics, chemistry and biology notes
