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Class 9th Science || Menu
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  • Matter in Our Surroundings
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Science Class 9 CBSE: Notes & Sample Papers

    • Sample Papers - Science Class 9 CBSE
  • Matter in Our Surroundings - Science Class 9 CBSE
    • States of Matter
    • Effect of Heat and Pressure on Matter
    • Evaporation and Condensation
  • Is Matter Around Us Pure - Science Class 9 CBSE
    • Classification of Matter
    • Separation of Liquid Mixtures
    • Types of Mixtures
    • Separation of Solid Mixtures
    • Separation of Soluble Solids
    • Separation of Insoluble Solids
    • Types of Changes
  • Atoms and Molecules - Science Class 9 CBSE
    • Basic Units of Matter
    • Laws of Chemical Combination
    • Atomic and Molecular Mass
    • Mole Concept
  • Structure of The Atom - Science Class 9 CBSE
    • Model of An Atom
    • Distribution of Electrons in Atoms
    • Parameters of An Atom
    • Discovery of Nucleus
  • The Fundamental Unit of Life - Science Class 9 CBSE
    • Introduction to Cell
    • Structural Organization of Cell
    • Cell Organelles
    • Transport of Materials Across Cells
  • Tissues - Science Class 9 CBSE
    • Plant Tissues – Structure and Function
    • Protective and Complex Plant Tissues
    • Protective Tissue in Animals
    • Specialized Animal Tissues
    • Connective Tissue in Animals
  • Diversity in Living Organisms - Science Class 9 CBSE
    • Biodiversity and its Classification
    • Scientific Nomenclature
    • Five Kingdoms of Biodiversity
    • Cryptogams
    • Phanerogams
    • Classification of Animals
    • Nonchordates – Acoelomates
    • Nonchordates – Coelomates
    • Vertebrates
  • Motion - Science Class 9 CBSE
    • Rest and Motion
    • Speed and Velocity
    • Acceleration
    • Distance Time Graphs
    • Velocity Time Graphs
    • Equations of Motion
  • Force and Laws of Motion - Science Class 9 CBSE
    • Force
    • Newton’s First Law of Motion
    • Newton’s Second Law of Motion
    • Newton’s Third Law of Motion
    • Conservation of Linear Momentum
  • Gravitation - Science Class 9 CBSE
    • Universal Law of Gravitation
    • Thrust and Pressure
    • Archimedes’ Principle
  • Work and Energy - Science Class 9 CBSE
    • Work
    • Energy
    • Conservation of Energy and Power
  • Sound - Science Class 9 CBSE
    • Production and Propagation of Sound
    • Characteristics of Sound Waves
    • Reflection of Sound
    • Ultrasound and Human Ear
  • Why do we Fall ill - Science Class 9 CBSE
    • Health and Disease
    • Kinds of Diseases
    • Treatment and Prevention of Diseases
  • Natural Resource – Air - Science Class 9 CBSE
    • Natural Resource
    • Natural Resource – Water and Soil
    • Biogeochemical Cycles
  • Improvement in Food Resources - Science Class 9 CBSE
    • Crop Production Management
    • Crop Improvement
    • Animal Husbandry

 

Tissues – Science – Class 9

Introduction – Chapter 6 – Tissues – Science Class 9 https://www.youtube.com/watch?v=NUoBO3YOPOYVideo can’t be loaded because JavaScript is disabled: Introduction – Chapter 6 – Tissues – Science Class 9 (https://www.youtube.com/watch?v=NUoBO3YOPOY)   Plant Tissue Vs Animal Tissue – Chapter 6 – Tissues – Science Class 9 https://www.youtube.com/watch?v=Smoap34xIb0Video can’t be loaded because JavaScript is disabled: Plant Tissue Vs […]

Fundamental Unit of Life – Science – Class 9

Introduction – Chapter 5 – The Fundamental Unit Of Life – Science Class 9 https://www.youtube.com/watch?v=3whP12iKwBIVideo can’t be loaded because JavaScript is disabled: Introduction – Chapter 5 – The Fundamental Unit Of Life – Science Class 9 (https://www.youtube.com/watch?v=3whP12iKwBI)   Structure of Cell – Chapter 5 – The Fundamental Unit Of Life – Science Class 9 https://www.youtube.com/watch?v=htIkQyfnnoYVideo […]

Motion – Science – Class 9

Introduction – Chapter 8 – Motion, Science Class 9 https://www.youtube.com/watch?v=UV-fB64Ym1wVideo can’t be loaded because JavaScript is disabled: Introduction – Chapter 8 – Motion, Science Class 9 (https://www.youtube.com/watch?v=UV-fB64Ym1w)   Origin, Distance & Displacement (Part I) – Chapter 8 – Motion, Science Class 9 https://www.youtube.com/watch?v=ibJNvGEfaMkVideo can’t be loaded because JavaScript is disabled: Origin, Distance & Displacement (Part […]

Structure of the Atom – Science – Class 9

Introduction – Structure Of The Atom – Chapter 4 – Science Class 9 https://www.youtube.com/watch?v=iFJ-pvMixjAVideo can’t be loaded because JavaScript is disabled: Introduction – Structure Of The Atom – Chapter 4 – Science Class 9 (https://www.youtube.com/watch?v=iFJ-pvMixjA)     Atom Structure – Thomson’s Model – Structure Of The Atom – Chapter 4 – Science Class 9 https://www.youtube.com/watch?v=Nd11jYBQGDcVideo […]

Atoms and Molecules – Science – Class 9

Introduction – Chapter 3 – Atoms and Molecules – Science Class 9 – NCERT https://www.youtube.com/watch?v=tJK1PUKAbAsVideo can’t be loaded because JavaScript is disabled: Introduction – Chapter 3 – Atoms and Molecules – Science Class 9 – NCERT (https://www.youtube.com/watch?v=tJK1PUKAbAs)     Introduction – Atoms Molecules And Ions – Chapter 3 https://www.youtube.com/watch?v=v2f3rqcNnOUVideo can’t be loaded because JavaScript is […]

Is Matter Around Us Pure – Science – Class 9

Introduction – Chapter 2 – Is Matter Around Us Pure – Science Class 9 – NCERT https://www.youtube.com/watch?v=22OJOkwXfH4Video can’t be loaded because JavaScript is disabled: Introduction – Chapter 2 – Is Matter Around Us Pure – Science Class 9 – NCERT (https://www.youtube.com/watch?v=22OJOkwXfH4)   Mixtures – Is Matter Around Us Pure – Chapter 2 – Science Class […]

Matter in Our Surroundings – Science – Class 9th

Introduction – Matter In Our Surroundings – Science – Class 9th https://www.youtube.com/watch?v=zMEefziDWiMVideo can’t be loaded because JavaScript is disabled: Introduction – Matter In Our Surroundings – Science – Class 9th (https://www.youtube.com/watch?v=zMEefziDWiM)   Introduction – Chapter 1 – Matter in Our Surroundings – Science Class 9 – NCERT https://www.youtube.com/watch?v=NkSKah18wzwVideo can’t be loaded because JavaScript is disabled: […]

NCERT Solutions for Class 9 Science Chapter 8 – Motion

Questions From NCERT Textbook for Class 9 Science Question 1: An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s? ANSWER: Diameter of a circular track, d = 200 m Radius of […]

NCERT Solutions for Class 9 Science Chapter 10 Gravitation

Questions From NCERT Textbook for Class 9 Science Question 1: How does the force of gravitation between two objects change when the distance between them is reduced to half? ANSWER: According to the universal law of gravitation, gravitational force (F) acting between two objects is inversely proportional to the square of the distance (r) between […]

NCERT Solutions For Class 9 Science Chapter 15 Improvement in Food Resources

Questions From NCERT Textbook for Class 9 Science Question 1. Explain any one method of crop production which ensures high yield. Answer: One method used for crop production which ensures high yield is plant breeding. It is the science involved in improving the varieties of crops by breeding plants. The plants from different areas/places is […]

NCERT Solutions for Class 9 Science Chapter 14 Natural Resources

Questions From NCERT Textbook for Class 9 Science Question 1. Why is the atmosphere essential for life? Answer: Atmosphere is essential for life because of the following masons : (i) It keeps the average temperature of the earth fairly steady during the day and even during the course of the whole year. (ii) It prevents […]

NCERT Solutions for Class 9 Science Chapter 13 Why Do We Fall Ill

Questions From NCERT Textbook for Class 9 Science Question 1. How many times did you fall ill in the last one year? What were the illnesses? (a) Think of one change you could make in your habits in order to avoid any of/ most of the above illnesses. (b) Think of one change you would […]

NCERT Solutions for Class 9 Science Chapter 12 Sound

Questions From NCERT Textbook for Class 9 Science Question 1. What is sound and how is it produced ? Answer: Sound is mechanical energy which produces a sensation of hearing. When an Object is set into vibrations, sound is produced. Question 3. Cite an experiment to show that sound needs a material medium for its propagation. […]

NCERT Solutions for Class 9 Science Chapter 11 Work Power and Energy

Questions From NCERT Textbook for Class 9 Science Q1. Look at the activities listed below. Reason out whether or not work is done in the light of your understanding of the term ‘work’. (a) Suma is swimming in a pond. (b) A donkey is carrying a load on its back. (c) A wind mill is […]

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

Questions from NCERT Textbook for Class 9 Science Question 1. An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason. Answer: […]

NCERT Solutions for Class 9 Science Chapter 7 Diversity in Living Organisms

Questions From NCERT Textbook for Class 9 Science Question 1. What are the advantages of classifying organisms? Answer: Advantages of classification: 1. Better categorization of living beings based on common characters. 2. Easier study for scientific research. 3. Better understanding of human’s relation and dependency on other organisms. 4. Helps in cross breeding and genetic […]

NCERT Solutions For Class 9 Science Chapter 6 Tissues

Questions From NCERT Textbook for Class 9 Science Question 1. Define the term “tissue”. Answer: Group of cells that are similar in structure and perform same function is called a tissue. Question 2. How many types of elements together make up the xylem tissue? Name them. Answer: The xylem is made up of vessels, trachieds, […]

NCERT Solutions For Class 9 Science Chapter 5 The Fundamental Unit of Life

Questions From NCERT Textbook for Class 9 Science Question 1. Make a comparison and write down ways in which plant cells are also different from animal cells. Answer: Question 2. How is prokaryotic cell different from a eukaryotic cell? Answer: Prokaryotic cell is generally smaller in size (1-10 pm), nuclear region is poorly defined, the […]

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