NCERT Solution For CBSE Class 9 Science

Chapter : 1 Matter In Our Surroundings

Matters In Our Surrounding - Physical Nature and chemical properties Of Matter

• Physical Nature of Matter

• Characteristics of Particles of Matter

Matters In Our Surrounding - Can Matter Change Its State

• States of Matter

• Can Matter change its State?

Matters In Our Surrounding - Evaporation

• Evaporation

Chapter : 2 Is Matter Around Us Pure

Is Matter Around Us Is Pure - Introduction

• Mixture

Is Matter Around Us Is Pure - Concentration of a solution

• Solution

Is Matter Around Us Is Pure - Separating Components Of A Mixture

• Separating the Components of a Mixture

Is Matter Around Us Is Pure - Is The Dye In Black Ink Is a Single Color

• Physical and Chemical Changes

Chapter : 3 Atoms And Molecules

Atom And Molecules - Introduction

• Laws of Chemical Combination

• Atoms

Atom And Molecules - Molecules

• Molecules

Atom And Molecules - Chemical Formula

• Writing Chemical Formulae

• Molecular Mass and Mole Concept

Chapter : 4 Structure of the Atom

Structure Of The Atom - Introduction

• Charged Particles in Matter

Structure Of The Atom - Rutherford Model

• Structure of an Atom

• Distribution of electrons in different Orbits (Shells)

• Valency

• Atomic Number and Mass Number

Structure Of The Atom - Isotopes

• Isotopes

Chapter : 5 The Fundamental Unit Of Life

Fundamental Unit Of Life - Introduction

• What are Living Organisms Made up of?

Fundamental Unit Of Life - Cell Wall

• Structure of Cell

Fundamental Unit Of Life - Cell organelles

• Structure of Cell

Chapter : 6 Tissues

Tissue - Plant tissue

• Plant Tissues

Tissue - Animal Tissue

• Animal Tissues

Chapter : 7 Diversity In Living Organisms

Diversity In Living Organism - Introduction

• What is the Basis of Classification?

• Classification and Evolution

Diversity In Living Organism - The Hierarchy Of Classification Groups

• The Hierarchy of Classification- Groups

• Plantae

Diversity In Living Organism - Plantae

• Animalia

Diversity in Living organism-Animalia

• Nomenclature

Chapter : 8 Motion

Motion - Introduction

• Describing Motion

• Graphical Representation of Motion

Motion - Speed

• Measuring the Rate of Motion

• Rate of Change of Velocity

Motion - Equation Of Motion By graphical Method

• Equations of Motion by Graphical Method

• Uniform Circular Motion

Chapter : 9 Force & Laws of Motion

Force And Laws Of Motion - First law of motion

• Balanced and Unbalanced Forces

• First Law of Motion

• Inertia and Mass

Force And Laws Of Motion - Second and Third Law Of Motion

• Second Law of Motion

• Third Law of Motion

• Conservation of Momentum

Chapter : 10 Gravitation

Gravitation - Introduction

• Gravitation

Gravitation - Free Fall

• Free Fall

• Mass

• Weight

Gravitation - Thrust And Pressure

• Thrust and Pressure

• Archimedes' Principle

• Relative Density

Chapter : 11 Work And Energy

Work And Energy - Work

• Work

Work And Energy - Energy

• Energy

• Rate of Doing Work

Chapter : 12 Sound

Sound - Introduction

• Production of Sound

• Propagation of Sound

• Reflection of Sound

Sound - Sound Waves

• Range of Hearing

• Applications of Ultrasound

• Structure of Human Ear

Chapter : 13 Why Do We Fall Ill

Why Do We Fall ill - Introduction

• Health and its Failure

• Disease and Its Causes

Why Do We Fall ill - Infectious and non-infectious

• Infectious Diseases

Chapter : 14 Natural Resources

Natural Resources - Air

• The Breath of Life: Air

Natural Resources - Water

• Water: A Wonder Liquid

• Mineral Riches in the Soil

Natural Resources - Carbon cycle

• Biogeochemical Cycles

• Ozone Layer