CBSE Science – Class VI to XII Notes, Summaries and Explanations

Students go crazy when they start dealing with the acids and bases and the periodic tables. We are here to guide you with the best notes, summaries and explanations of the CBSE Science from Classes VI to X. We will make sure we make the chapters easy and smooth for you to understand them.

CBSE Science Class 6 notes, summaries and explanations

Chapter 1 Biology- Food: Where Does it Come From?

Variety in Food

Ingredients

Sources of Food

Plant Parts as Food

Animals Products as Food

Producers and Consumers

Herbivores

Carnivores

Omnivores

Chapter 2 Biology- Components of Food

Components of Food

Balanced Diet

Deficiency Diseases

Chapter 3 Chemistry- Fiber to Fabric

Fiber

Types of Fibers

Making of Fabric

Chapter 4 Chemistry- Sorting Materials into Groups

Classification of Objects

Materials

Classification of Materials

Chapter 5 Chemistry- Separation of Substances

Separation of Mixture

Threshing

Winnowing

Hand Picking

Sieving

Magnetic Separation

Sedimentation and Decantation

Filtration

Evaporation and Process

Distillation

Fractional Distillation

Separating Funnel

Centrifugation

Sublimation

Saturated and Unsaturated solution

Chapter 6 Chemistry- Changes Around Us

Reversible Changes

Irreversible Changes

Chapter 7 Biology- Getting to Know plants

Herbs, Shrubs and Tress

Parts of a Plant

Root

Stem

Leaf

Flowers

Chapter 8 Biology- Body Movements

Skeleton

Joints of the Body

Types of Joints

Movement in Animals

Movement in Insects

Chapter 9 Biology- The living organisms and their surrounding

Living things

Habitat

Adaptations

Terrestrial Habitat

Aquatic Habitat

Chapter 10 Motion and Measurement of Distances

Types of Motion

Distance

Measurement of Length

Chapter 11 Physics- Light, Shadows and Reflections

Luminous Object

Transparent and Translucent Materials Opaque

Travels of Light

Pinhole Camera

Shadow

Reflection of Light

Images : Real, Virtual

Plane Mirror

Chapter 12 Physics- Electricity, and Circuits

Electric Cell

Torch bulb

Circuits

Electric Conductor and Insulator

Chapter 13 Physics- Fun With Magnets

Magnet

Like Poles and Unlike Poles

Make your own magnet

Attraction and repulsion

Chapter 14 Biology- Water

Water and its Uses

States of Water

Evaporation

Transpiration

Condensation

Water Cycle

Rainwater Harvesting

Chapter 15 Chemistry- Air Around Us

Atmosphere

Composition of Air

Smoke

Availability of Oxygen to Plants

Availability of Oxygen to Animals

Air is Important to Us

Chapter 16 Biology- Garbage In, Garbage Out

Disposal of Garbage

Plastic

CBSE Science Class 7 notes, summaries and explanations

Chapter 1 Biology- Nutrition in Plants

Autotrophs

Heterotrophs

Photosynthesis

Nutrition in Plants

Cell

Chapter 2 Biology- Nutrition in Animals

Different Ways of Taking Food

Human Digestive System

Teeth

Tooth Decay

Tongue

Digestion in Grass-Eating Animals

Feeding and Digestion In Amoeba

Chapter 3 Chemistry- Fibre to Fabric

*Animal fibre

*Production of Wool

*Silk

*Production of Silk

Chapter 4 Chemistry- Heat

*Temperature

*Thermometres

*Heat Transfer

*Conduction

*Convection

*Radiation

Chapter 5 Chemistry- Acids, Bases and Salts

Indicators

Acids

Acid Rain

Bases

Element and Symbol

Neutralization

Salts

Chapter 6 Chemistry- Physical and Chemical Changes

*Physical Changes

*Chemical Changes

*Rusting of Iron

*Crystallisation

Chapter 7 Biology- Weather, Climate and Adaptations of Animals of Climate

Weather

Climate

Climate and Adaptation

Chapter 8 Physics- Winds, Storms and Cyclones

Air

Winds

Thunderstorms

Cyclones

Tornado

Chapter 9 Biology- Soil

Soil Profile

Composition of Soil

Types of Soil

Properties of Soil

Soil Erosion

Soil Pollution

Chapter 10 Biology- Respiration in Organisms

Respiration

Breathing

Human Respiration

Respiration in Plants

Respiration in Animals

Chapter 11 Biology- Transportation in Animals and Plants

Circulatory System

Blood

Heart

Blood Vessels

Heart beats

Excretion in Animals

Kidney

Tissue

Chapter 12 Biology- Reproduction in Plants

*Modes of Reproduction

* Reproduction in Plants

*Pollination

*Dispersal of Seeds and Fruits

Chapter 13 Physics- Motion and Time

Motion and its Types

Speed

*Speed = Distance/Time

Graphical Representation of Motion

Time

Simple Pendulum

Chapter 14 Physics- Electric Current and its Effects

Electric Current

Electric Circuit

Electric cell

Electric bulb

Heating Effect of Electric Current

Electric fuse

Miniature circuit breaker

Magnetic Effect of Electric Current

Electric Bell

Chapter 15 Physics- Light

Reflection of Light

Spherical Mirrors

Concave Mirror

Convex Mirror

Spherical Lenses

Concave Lens

Convex Lens

Dispersion of Light

Chapter 16 Biology- Water – A Precious Resource

*Water and its Sources

*Groundwater

*Depletion of Water Cycle

Chapter 17 Biology- Forests – Our Lifeline

*Forest : Living Organisms

*Forest : Non-Living Organisms

*Structure of Forest

*Forest Conservation

Chapter 18 Biology- Wastewater Story

*Sewage

* Waste Water Treatment Plant

* Sanitation

CBSE Science Class 8 notes, summaries and explanations

Chapter 1 Biology- Crop Production and Management

Chapter 2 Biology- Microorganisms  Friend and Foe

Chapter 3 Chemistry- Synthetic Fibres and Plastics

* Synthetic Fibres

* Rayon

* Nylon

* Polyester

* Plastics and Uses

* Types of Plastics

* Plastics and the Environment

* Biodegradable Materials

* Non Biodegradable Materials

Chapter 4 Chemistry- Materials – Metals and Non-Metals

Metals

Metalloids

Physical Properties of Metals

Chemical Properties of Metals

Physical Properties of Non Metals

Chemical reaction of non metals

Displacement Reaction

Uses of Metals and Non-metals

Chapter 5 Chemistry- Coal and Petroleum

* Inexhaustible Natural Resources

* Exhaustible Natural Resources

* Fossil Fuels

* Coal

* Uses of Coal

* Products of Coal

* Petroleum

* Natural Gas

* Petrochemicals

Chapter 6 Chemistry- Combustion and Flame

*Combustion

Combustible Substance

*Non-Combustible Substance

*Control Fire

*Types of Combustion

*Fuels

*Flame

Chapter 7 Biology- Conservation of Plants and Animals

Chapter 8 Biology- Cell – Structure and Functions

Chapter 9 Biology- Reproduction in Animals

Chapter 10 Biology- Reaching the Age of Adolescence

Chapter 11 Physics- Force and Pressure

Chapter 12 Physics-  Friction

Chapter 13 Physics-  Sound

Chapter 14 Physics-  Chemical Effects of Electric Current

Chapter 15 Physics-  Some Natural Phenomena

Chapter 16 Physics-  Light

Chapter 17 Physics-  Stars and The Solar System

Chapter 18 Chemistry- Pollution of Air and Water

*Air Pollution

*Acid Rain

*Greenhouse Effect

*Global Warming

*Water Pollution

*Conservation of Water

*Potable Water

CBSE Science Class 9 notes, summaries and explanations

Chapter 1 Chemistry- Matter in Our Surroundings

Matter

Diffusion

States of Matter

Change the State of Matter

Latent Heat

Bose-Einstein Condensate

Chapter 2 Chemistry-  Is Matter Around Us Pure?

Mixture

Solution

Alloys

Suspension

Colloid

Physical Change

Chemical Change

Pure Substances

Element

Compound

Chapter 3 Chemistry-  Atoms and Molecules

Dalton Atomic Theory

Law of Conservation of Mass

Law of Chemical Combination

Law of Constant Proportion

Atoms

Atomic Mass

Elements and Symbols

Molecules

Ion

Valency

Chemical Formulae

Molecular Mass

Chapter 4 Chemistry-  Structure of The Atom

Structure of an Atom

Thomson Model of an Atom

Rutherford’s Model of an Atom

Bohr Model of Atom

Isobar

Isotope

Arrangement or Distributions of Electrons

Discovery of Electron, Proton, Neutron

Chapter 5 Biology- The Fundamental Unit Of Life

Chapter 6 Biology- Tissues

Chapter 7 Biology- Diversity in Living Organisms

  • Kinds of classification
  • 5 kingdom classification
  • Monera
  • Protista
  • Fungi
  • Plantae
  • Animalia

Chapter 8 Physics- Motion

Chapter 8 Motion
Motion

Velocity

Acceleration

Equation of Motion

Uniform Circular Motion

*v = u + at

s = ut + ½ at2

2as = v2 – u2

Chapter 9 Physics- Force and Laws Of Motion

Balanced and Unbalanced Forces

First Law of Motion

Inertia

Second Law of Motion

Third Law of Motion

Conservation of Momentum

Chapter 10 Physics- Gravitation

Gravitation

Universal Law of Gravitation

Kepler’s laws

Mass and weight

Thrust and Pressure

Free Fall

Buoyancy

Archimedes’ Principle

Relative Density

Chapter 11 Physics- Work and Energy

Work

Energy

Forms of Energy

Kinetic Energy

Potential Energy

Law of Conservation of Energy

Unit of Energy

Power

Chapter 12 Physics- Sound

Longitudinal Waves

Transverse Wave

Sound Propagation

Speed of sound

Frequency, Amplitude, Speed

Crest and Trough

Speed of sound in different Medium

Reverberation

Sonar

Chapter 13 Biology- Why Do We Fall Ill?

  • Health
  • Protective care to prevent disease
  • Mode of infection
  • Types of disease
  • Causative agent

Chapter 14 Biology- Natural Resources

  • Climate on earth
  • Air pollution
  • Water pollution
  • Bigeochemical cycle
  • Carbon cycle
  • Nitrogen cycle
  • Water cycle
  • The green house effect
  • Oxygen cycle and ozone depletion

Chapter 15 Biology- Improvement in Food Resources

  • Crop
  • Crop productivity
  • Management of crops
  • Precautions for disease prevention
  • Manure
  • Fertilizers

CBSE Science Class 10 notes, summaries and explanations

Chapter 1 Chemistry- Chemical Reactions and Equations

Chemical reaction

Chemical equation

Balance chemical equation

Types of chemical equation

Corrosion, rusting, and Raincidity

Chapter 2 Chemistry Acids, Bases and Salts

Indicator

Acid

Chemical properties or Chemical reaction of acid

Base

Chemical properties or Chemical reaction of base

pH scale

pH in everyday life

Types of salt

Chapter 3 Chemistry Metals and Non-metals

Metal

Chemical properties of metal

Non metal

Chemical properties of nin metal

Reaction between metal and non metal

Occurrence of metal

Ore

Extraction of metal( metallurgy)\

Extraction of metal at low reactivity

Extraction of metal at moderate reactivity

Extraction of metal at high reactivity

Properties of ionic compound

Alloys

Refining of metal

Corrosion

Chapter 4 Chemistry Carbon and its Compounds

Bonding in carbon compound

Covalent bonding

Difference between covalent bonding and ionic bonding

Allotropy

Diamond

Graphite

Fullerenes

Properties of carbon

Hydrocarbon

Chain, branches, abd rings

Homologous series

Nomenclature of organic compounds

Type of organic reaction

Carbon compound- ethanol & ethanoic acid

Soap and Detergent

Chapter 5 Chemistry Periodic Classification of Elements

Dobereiners traid

Newland of law octaves

Mendeleev periodic law

Medeleev periodic table

Modern periodic table

Preodicity

Periodic properties

Metallic and non metallic characters

Electronegativity

Chapter 6 Biology- Life Processes

Nutrition

Modes of Nutrition

Autothophic Nutrition

Heterotrophic Nutrition

Nutrition in Plants

Nutrition in Animals

Nutrition in Human Beings

Respiration

Respiration in Plants

Respiration in Animals

Human Respiration System

Transport in Plants

Components of Blood

Human Circulatory System

Lymphatic System

Excretion

Chapter 7 Biology-  Control and Coordination

Plant Hormones

Tropic Movement

Nastic Movement

Nervous System

Pehripheral Nervous System

Central Nervous System

Endocrine System

Chapter 8 Biology-  How do Organisms Reproduce?

Reproduction

Asexual Reproduction

Budding

Spore Formation

Regeneration

Fragmentation

Reproduction in Flowering Plants

Chapter 9 Biology-  Heredity and Evolution

Traits

Mendel’s Contribution

Blood Group

Acquired and Inherited Traits

Evolution

Darwin Evolution Theory

Chapter 10 Physics- Light – Reflection and Refraction

Reflection of Light

Mirror and its Types 

Image formation by a concave mirror

Image formed by Concave and Convex mirror using ray diagram

Uses of Mirror

Principal focus of a concave mirror

Principal focus of a Convex mirror

Mirror Formula

Refraction of Light

Sign Convention for Spherical Mirror

Lense and Its Power

Formation of Image by Concave Lense

Formation of Image by Convex Lense

Lense Formula

Lense diverging and converging

Refractive Index

Chapter 11 Physics- The Human Eye and the Colourful World

Human Eye

Myopia

Hypermetropia

Cataract

Glass Prism

Atmospheric Refraction

Tyndall Effect

Chapter 12 Physics- Electricity

Electric Power

Electric Circuit and Circuit Diagram

One Ampere (Unit of Current)

Electric Potential (1 Volt)

Circuit Diagram

Ohm’s Law

Resistance

Factors of the Resistance of a Conductor

Combination of Resistors (Resistors in Series and Parallel)

Electric Current and Heating Effect

Chapter 13 Physics- Magnetic Effects of Electric Current

Magnetic Field and Field Lines

Magnetic Field due to a Current Carrying Conductor

Magnetic Field due to a Current through a Straight Conductor

Right-hand thumb rule

Magnetic Field due to Circular Loop

Magnetic Field due to a Current in a Solenoid

Force on a current carrying conductor in magnetic field

DC Motor

Chapter 14 Physics- Sources of Energy

Conventional and Non-Conventional Sources of Energy

Thermal Power Plant

Hydro Power Plants

Non Conventional Sources of Energy

Solar Energy

Energy from the sea and Geothermal Energy

Nuclear Energy

Chapter 15 Biology- Our Environment

Ecosystem with Function

Decomposers

Food Chain

Food Web

Transformation of Energy in Food Chain

Ozone Layer Depletion

Chapter 16 Biology-  Sustainable Management of Natural Resources

Wildlife and its Importance

Conservation of Forest and Wildlife

Water Pollution

Coal

Petroleum

CBSE Physics Class 11 notes, summaries and explanations

Lesson 2: Units measurement

  1. The international system of units
  2. Measurement of length
  3. Accuracy, precision of instruments and errors in measurement
  4. Systematic errors
  5. Least count error
  6. Absolute error, relative error and percentage error
  7. Combination of errors
  8. Significant figures
  9. Dimensions of physical quantities
  10. Applications of dimensional analysis
  11. Order of magnitude

Lesson 3: MOTION IN A STRAIGHT LINE

  1. Path length
  2. Displacement
  3. Average velocity and average speed
  4. Instantaneous velocity and speed
  5. Acceleration
  6. Equations of motion
  7. Relative velocity

Lesson 4: MOTION IN A PLANE

  1. Vectors and its types
  2. Addition of vectors
  3. Parallelogram law of vector addition
  4. Resolution of vectors
  5. Projectile motion
  6. Equation of path of a projectile
  7. Horizontal range of a projectile
  8. Time of maximum height
  9. Uniform circular motion

Lesson 5: LAWS OF MOTION

  1. Newton’s first law of motion
  2. Newton’s second law of motion
  3. Newton’s third law of motion
  4. Law of conservation of linear momentum
  5. Friction and its laws
  6. Motion of a car on a level road
  7. Motion of a car on a banked road

Lesson 6: WORK, ENERGY AND POWER

  1. Scalar product of to vectors
  2. The work-energy theorem
  3. Concept of Potential Energy
  4. Conservation of Mechanical Energy
  5. Elastic and Inelastic Collisions

Lesson 7: SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

  1. Centre of mass
  2. Vector product of two vectors
  3. Angular velocity and its relation with linear velocity
  4. Torque acting on rotating body
  5. Angular momentum of a rotating body
  6. Theorems of perpendicular axis
  7. Theorem of parallel axis
  8. Kinetic Energy of Rolling Motion

Lesson 8: GRAVITATION

  1. Kepler’s laws of planetary motion
  2. Universal law of gravitation
  3. Acceleration due to gravity of the earth
  4. Acceleration due to gravity at altitude ‘h’
  5. Acceleration due to gravity below the surface of earth at depth‘d’
  6. Gravitational potential energy
  7. Escape speed
  8. Energy of an orbiting satellite

Lesson 9: MECHANICAL PROPERTIES OF SOLIDS

  1. Stress
  2. Strain
  3. HOOKE’S LAW
  4. STRESS-STRAIN CURVE
  5. Young’s Modulus
  6. Bulk modulus
  7. Shear modulus
  8. Stress- Strain curve
  9. Poisson’s ratio
  10. Elastic Potential Energy in a Stretched Wire

Lesson 10: MECHANICAL PROPERTIES OF FLUIDS

  1. PRESSURE
  2. Pascal’s Law
  3. STREAMLINE FLOW
  4. BERNOULLI’S PRINCIPLE
  5. Stokes’ Law
  6. Surface Energy and Surface Tension
  7. Angle of Contact
  8. Drops and bubbles
  9. Capillary Rise

Lesson 11: THERMAL PROPERTIES OF MATTER

  1. Linear expansion
  2. Areal expansion
  3. Volume expansion
  4. Specific heat capacity
  5. Conduction
  6. Blackbody Radiation
  7. Newton’s law of cooling

Lesson 12: THERMODYNAMICS

  1. Zeroth law of thermodynamics
  2. Heat, internal energy and work
  3. First law of thermodynamics
  4. Second law of thermodynamics

Lesson 13: KINETIC THEORY

  1. Pressure exerted by gas
  2. Kinetic Interpretation of Temperature
  3. Law of equipartition of energy

Lesson 14: OSCILLATIONS

  1. Simple harmonic motion
  2. Simple harmonic motion and uniform circular motion
  3. Velocity and acceleration in simple harmonic motion
  4. Energy in simple harmonic motion
  5. The Simple Pendulum
  6. Damped oscillations

Lesson 15: WAVES

  1. Transverse waves
  2. Longitudinal waves
  3. Standing waves
  4. Beats
  5. Doppler effect

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