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Maths and Science, Classes 5–10
Maths and Science, NCERT, Classes 5–10
West Bengal Board, with Bengali chapters
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Mathematics
What fractions mean, comparing and combining them, plus exercises and two sample tests.
Place value, comparing decimals, adding and subtracting, plus exercises and two sample tests.
Points, lines, angles, and perimeter, plus exercises and two sample tests.
Converting between fractions, decimals and percentages, plus exercises and two sample tests.
Cost price, selling price, and calculating profit or loss percentage, plus exercises and two sample tests.
Principal, rate, time, and calculating interest and amount, plus exercises and two sample tests.
Converting between units of length, weight, and capacity, plus exercises and two sample tests.
Reading clocks, 12-hour and 24-hour time, and calculating duration, plus exercises and two sample tests.
Tally marks, pictographs, and reading bar graphs, plus exercises and two sample tests.
Lines of symmetry in shapes and letters, plus exercises and two sample tests.
Number patterns, shape patterns, and finding the rule, plus exercises and two sample tests.
Prime and composite numbers, prime factorization, and finding LCM and HCF, plus exercises and two sample tests.
Indian vs International place value, Roman numerals, and BODMAS, plus exercises and two sample tests.
Cost-per-unit problems, 12-hour to 24-hour time conversion, and elapsed time, plus exercises and two sample tests.
Positive and negative numbers, the integer number line, comparing integers, and addition/subtraction, plus exercises and two sample tests.
Science
Roots, stem, leaves, flowers, and fruit, plus exercises and two sample tests.
Characteristics of life, tricky cases, and what living things need, plus exercises and two sample tests.
Land and water habitats, and how animals adapt to survive, plus exercises and two sample tests.
Types of bones, joints, and caring for your skeleton, plus exercises and two sample tests.
What air is made of, states of water, and their uses, plus exercises and two sample tests.
Nutrients, balanced diets, and healthy eating habits, plus exercises and two sample tests.
Push and pull, types of force, and how simple machines help, plus exercises and two sample tests.
Sources of light, materials, and what changes shadow size, plus exercises and two sample tests.
Vibrations, how sound travels, pitch, volume, and noise pollution, plus exercises and two sample tests.
Natural vs man-made environment, types of pollution, and how to protect it, plus exercises and two sample tests.
Daily weather, the five seasons, weather instruments, and their effects, plus exercises and two sample tests.
The path food takes and what each organ does, plus exercises and two sample tests.
Types of rocks, how soil forms, and the three soil types, plus exercises and two sample tests.
Mathematics
Integers, the number line, adding and subtracting integers, and ordering large numbers, plus exercises and two sample tests.
Writing and simplifying ratios, equivalent ratios, and solving proportions, plus exercises and two sample tests.
Variables, writing expressions, and solving simple equations, plus exercises and two sample tests.
Perimeter and area of squares and rectangles, and the area of a triangle, plus exercises and two sample tests.
Types of angles, types of triangles, and naming polygons, plus exercises and two sample tests.
Mean, median, and mode, plus exercises and two sample tests.
Adding, subtracting, multiplying, and dividing fractions and decimals, plus exercises and two sample tests.
Divisibility rules, co-prime numbers, and HCF/LCM by division method, plus exercises and two sample tests.
Physics
Explore the three states of matter, how substances change state, and the particle model that explains why.
Learn about fundamental physical quantities, their SI units, and how to measure length, mass, and time accurately.
Understand what a force is, the different types of forces, and how forces change the motion or shape of objects.
Discover how simple machines like levers, pulleys, and inclined planes make work easier by changing the force needed.
Learn how light travels, how shadows form, and the difference between transparent, translucent, and opaque objects.
Explore magnets, their properties, magnetic and non-magnetic materials, and how magnetic poles interact.
Chemistry
Discover what chemistry is, its role in daily life, and how it can be used for both good and harmful purposes.
Learn to identify common laboratory apparatus and understand their uses and safety precautions.
Understand matter from a chemistry perspective — its particle nature and how particles behave differently in solids, liquids, and gases.
Learn the difference between elements and compounds, and how chemical symbols and formulae represent them.
Distinguish pure substances from mixtures, and learn methods for separating mixtures like filtration and evaporation.
Learn about the composition of air, the layers of the atmosphere, and the importance of maintaining clean air.
Explore the properties of water, the water cycle, and why water conservation matters.
Biology
Explore the structure of a leaf, its types, and its vital role in photosynthesis.
Learn about the parts of a flower, pollination, and how seeds and fruits form after fertilisation.
Discover the cell as the basic unit of life, its key parts, and the differences between plant and animal cells.
Trace the journey of food through the digestive system, and learn the function of each organ involved.
Learn how we breathe, the path air takes into our lungs, and the process of gas exchange.
Discover how the heart pumps blood through blood vessels to deliver oxygen and nutrients throughout the body.
Learn the importance of personal hygiene, balanced diet, and healthy habits for maintaining good health.
Explore different habitats and how animals and plants adapt special features to survive in their environments.
Mathematics · 22 of 22 chapters ready 🎉
Adding, subtracting, multiplying, and dividing positive and negative integers, plus exercises.
What rational numbers are, and comparing and ordering them, plus exercises.
All four operations with fractions, plus real-world fraction word problems and exercises.
Adding, subtracting, multiplying, and dividing decimals, plus converting decimals to fractions and exercises.
Writing repeated multiplication with exponents, and the laws for multiplying, dividing, and raising powers.
Simplifying ratios and splitting amounts fairly according to a given ratio, plus exercises.
Finding the value of one unit to scale up or down, plus solving time-and-work problems and exercises.
Converting between fractions, decimals, and percentages, and finding a percentage of a quantity, plus exercises.
Calculating profit%, loss%, and how discounts on marked price affect selling price, plus exercises.
Using the SI formula to calculate interest, and finding the total amount owed or earned, plus exercises.
Like and unlike terms, and combining them through addition and subtraction, plus exercises.
Solving for an unknown by keeping equations balanced, and translating word problems into equations, plus exercises.
Describing collections as sets, and quick Vedic mental division shortcuts, plus exercises.
Complementary and supplementary angles, and angle relationships formed by intersecting lines, plus exercises.
The angle sum property of triangles, and classifying triangles by sides and angles, plus exercises.
Finding the hypotenuse or a missing leg of a right triangle, plus real-world applications and exercises.
Lines of reflection symmetry, and the order of rotational symmetry in shapes and letters, plus exercises.
Faces, edges, and vertices with Euler's formula, plus different views and nets of solids, plus exercises.
What congruency means, and the SSS, SAS, ASA, and RHS rules for proving triangles congruent, plus exercises.
Circumference and area of circles, plus volume and surface area of cubes and cuboids, plus exercises.
Mean, median, and mode, plus interpreting bar graphs to draw conclusions, plus exercises.
Measuring the chance of an event, plus probability with cards and bags, plus exercises.
Physics
Learn to measure area, volume, and density, and understand the units used for each physical quantity.
Understand speed, velocity, and different types of motion, and how to calculate them.
Explore different forms of energy, the law of conservation of energy, and how energy transforms from one form to another.
Learn about reflection of light, the laws of reflection, and how plane mirrors form images.
Understand heat transfer through conduction, convection, and radiation, and how temperature differs from heat.
Explore how sound is produced and travels, and understand the properties of sound waves like pitch and loudness.
Learn about simple electric circuits, conductors and insulators, and the relationship between electricity and magnetism.
Chemistry
Deepen your understanding of matter's particle nature, and discover atoms and molecules as the building blocks of matter.
Learn to distinguish physical changes (reversible, no new substance formed) from chemical changes (new substance formed).
Deepen your understanding of elements, compounds, and mixtures, and how to classify substances into each category.
Discover the structure of an atom — protons, neutrons, and electrons — and how they're arranged.
Learn to write and interpret chemical symbols, formulae, and simple chemical equations.
Compare the properties of metals and non-metals, and learn how to distinguish them based on physical characteristics.
Deepen your understanding of the atmosphere's layers, composition of air, and the greenhouse effect.
Biology
Learn about tissues — groups of similar cells performing a common function — in both plants and animals.
Learn how plants are classified based on features like seed-bearing, flowering, and vascular structures.
Discover how animals are classified into vertebrates and invertebrates, and the major groups within each.
Compare photosynthesis (how plants make food) and respiration (how living things release energy from food).
Understand excretion — the removal of waste products from the body — and the organs involved.
Learn about the brain, spinal cord, and nerves, and how they coordinate the body's responses to stimuli.
Learn what an allergy is, common allergens, and how the body's immune system reacts to them.
Mathematics · 25 of 25 chapters ready 🎉
Properties of rational numbers, plus adding and subtracting them, plus exercises.
Negative integral exponents, and applying the laws of exponents, plus exercises.
Recognizing perfect squares, and finding square roots by prime factorization, plus exercises.
Recognizing perfect cubes, and finding cube roots by prime factorization, plus exercises.
Divisibility rules, and number puzzles using place value, plus exercises.
Subsets and types of sets, plus union and intersection, plus exercises.
Percentage increase and decrease, and finding an original value from a percentage change, plus exercises.
Successive discounts, and profit or loss expressed as a fraction of cost or selling price, plus exercises.
How compound interest grows faster than simple interest, plus the compound interest formula, plus exercises.
Quantities that grow together versus quantities that trade off, plus exercises.
Multiplying and dividing algebraic expressions with multiple terms, plus exercises.
Square identities and the difference of squares, for instant expansion and factoring, plus exercises.
Factorising using common factors, and using identities in reverse, plus exercises.
Solving equations with variables on both sides, plus real word problems, plus exercises.
Solving inequalities and the sign-flip rule, plus representing solutions on a number line, plus exercises.
Angle sum of a polygon, and the interior angles of regular polygons, plus exercises.
Properties of parallelograms, and how rectangles, rhombuses, and squares relate, plus exercises.
What measurements uniquely determine a quadrilateral, and the step-by-step construction process, plus exercises.
Applying Euler's formula to check solids, plus prisms, pyramids, and their nets, plus exercises.
Lines of symmetry in regular polygons, plus reflecting points across the x-axis and y-axis, plus exercises.
Chord and tangent properties of circles, plus exercises.
Finding the area of trapeziums and irregular polygons by splitting into familiar shapes, plus exercises.
Volume and surface area of a cylinder, plus a real-world tank capacity problem, plus exercises.
Frequency distribution tables, plus reading and constructing pie charts, plus exercises.
Probability with two dice, plus the probability of an event not happening, plus exercises.
Physics
Deepen your understanding of matter's states, properties, and the effect of heat on changes of state.
Explore density, relative density, and the law of floatation, including buoyant force.
Explore different types of force, and understand pressure as force distributed over an area.
Study kinetic and potential energy in detail, and calculate energy transformations in real situations.
Learn about the velocity and refraction of light as it passes between different media.
Deepen your understanding of conduction, convection, and radiation, and their real-world applications.
Deepen your understanding of sound waves, echo, and how sound reflects off surfaces.
Learn how electricity is safely distributed and used in homes, including fuses and safety precautions.
Explore static electricity — how objects become charged, and how like and unlike charges interact.
Chemistry
Deepen your understanding of matter's particle nature and kinetic theory explaining changes of state.
Deepen your understanding of physical and chemical changes, and learn to identify signs of chemical reactions.
Review and deepen your classification of elements, compounds, and mixtures, with focus on separation techniques.
Deepen your understanding of atomic structure, electron arrangement, and isotopes.
Deepen your skills in writing chemical formulae, balancing equations, and using valency.
Learn about types of chemical reactions, including combination, decomposition, and displacement reactions.
Learn about hydrogen's properties, preparation, and its uses in daily life and industry.
Explore water's hardness, the difference between temporary and permanent hardness, and methods to soften water.
Learn about carbon's unique bonding ability, allotropes, and simple carbon compounds like hydrocarbons.
Biology
Learn how plants transport water, minerals, and food through xylem and phloem, and how transpiration works.
Explore sexual and asexual reproduction in plants, including pollination, fertilisation, and seed dispersal.
Learn about the human reproductive systems and the basic stages of human reproduction.
Learn about ecosystems, food chains, food webs, and the flow of energy through living communities.
Learn about hormones, the glands that produce them, and the physical changes during adolescence.
Deepen your understanding of the heart's structure, blood vessels, and the composition of blood.
Deepen your understanding of the nervous system, including neurons and how nerve impulses travel.
Learn about common diseases, how they spread, and basic first aid techniques for emergencies.
Mathematics (Selina Concise) · 25 of 25 chapters ready 🎉
Distinguish rational from irrational numbers, represent them on the number line, and simplify surds.
Understand how compound interest builds on itself year after year, and calculate the amount and interest using the basic year-by-year method.
Use the compound interest formula A=P(1+r/100)ⁿ directly, and apply it to real financial problems including depreciation.
Master algebraic identities for expanding expressions like (a+b)², (a-b)², and (a+b)(a-b), and apply them to numerical shortcuts.
Factorise algebraic expressions using common factors, grouping, and standard identities like the difference of squares.
Solve two linear equations in two variables using elimination and substitution methods, and apply to real-world problems.
Apply the laws of indices, including fractional and negative exponents, to simplify expressions.
Understand logarithms as the inverse of exponents, and apply the laws of logarithms to simplify expressions.
Prove two triangles congruent using SSS, SAS, ASA, and RHS criteria, and apply congruency to solve geometric problems.
Explore the properties of isosceles triangles, and learn triangle inequality rules relating sides and angles.
Discover that the line joining the midpoints of two sides of a triangle is parallel to and half the length of the third side.
Apply the Pythagoras theorem to right-angled triangles, and use its converse to test whether a triangle is right-angled.
Study the properties of quadrilaterals — parallelograms, rectangles, rhombuses, squares, and trapeziums.
Learn to construct regular polygons and quadrilaterals accurately using only a ruler and compass.
Learn theorems relating the areas of triangles and parallelograms that share the same base and lie between the same parallels.
Explore the properties of chords, arcs, and angles in a circle, including the relationship between equal chords and their distances from the centre.
Organize raw data into frequency distributions and represent it visually using histograms and frequency polygons.
Calculate the mean and median of both raw and grouped data, and understand when each measure is most useful.
Calculate the area and perimeter of triangles, quadrilaterals, and circles, and combine formulas for composite shapes.
Calculate the surface area and volume of cubes, cuboids, and cylinders, and apply them to real containers and structures.
Learn the six trigonometric ratios (sin, cos, tan, and their reciprocals) in a right triangle, and evaluate expressions involving them.
Apply trigonometric ratios to solve real problems involving heights, distances, and angles of elevation or depression.
Plot points on the Cartesian plane, and understand the four quadrants and their sign conventions.
Solve simultaneous linear equations by plotting their graphs and finding the point of intersection.
Calculate the distance between two points on the Cartesian plane, and apply it to identify triangle types and other shapes.
Class 9 · Biology (Selina Concise) · all 19 chapters ready
What biology studies, how it is divided, and what makes something alive.
Cell theory, cell organelles, and how plant and animal cells differ.
Groups of similar cells doing one job: meristematic, permanent, epithelial, connective, muscular, nervous.
Structure of a flower: its four whorls and what each part does.
How pollen reaches the stigma, how a pollen tube delivers gametes, and what a flower becomes afterwards.
Inside a bean and a maize grain, and what a seed needs to wake up and grow.
How plants release energy from food, with and without oxygen, and how gases move in and out.
How scientists group millions of living things into five kingdoms and give each a two-part name.
The tiny organisms that make curd, bread and medicines, and the ones that cause disease and spoilage.
What food does for the body, the six nutrients, and the diseases that follow when one is missing.
The path of food from mouth to anus, the juices that break it down and where nutrients are absorbed.
The 206 bones that hold us up, the joints that let us move and the muscles that pull in pairs.
The body's largest organ: protector, thermostat, sense organ and waste outlet in one.
How air travels to the lungs, how breathing works and how oxygen reaches the blood.
The daily habits that keep body, food, home and surroundings clean and the germs away.
What makes us ill, how germs spread, and how diseases are prevented and controlled.
Vaccines, antibiotics, first aid and simple home treatments that help us stay well and recover.
The national and international bodies that fight disease and protect health.
What we throw away, why it matters and how to reduce, reuse, recycle and dispose of it safely.
Class 9 · Chemistry (Selina Concise) · all 9 chapters ready
Symbols, valency, formulae and balanced equations: the shorthand every chemist uses.
How matter changes for good, the four types of reaction, and why some metals react faster than others.
What water is made of, why it dissolves so much, and how hardness and crystals of salts arise.
What is inside an atom, how electrons are arranged, and how atoms join by giving, taking or sharing electrons.
How elements are arranged by atomic number, and how position predicts properties.
The lightest element: where it occurs, how it is made in the lab, and what it does.
How the volume of a gas changes with pressure and temperature, and what STP means.
What pollutes the air, and how it causes global warming, acid rain and ozone loss.
Identifying gases and ions in the laboratory: tests, observations and safe practice.
Class 9 · Physics (Selina Concise) · all 10 chapters ready
Units, instruments and the care needed to measure length, mass, time and volume.
Distance, speed, acceleration, the equations of motion and what graphs tell you.
Force, inertia, momentum, and why every action has a reaction.
Pressure, how it grows with depth, and what the atmosphere does to you.
Why objects feel lighter in water, why ships float and ice floats low.
Work, power, kinetic and potential energy, conservation, and how heat is measured.
How light bounces, how a plane mirror forms an image, and why the image looks reversed.
How sound travels, what frequency and wavelength mean, and how echoes and sonar work.
Current, voltage, resistance, Ohm's law, circuits and electrical energy.
Poles, fields, magnetic materials, and how magnets are made and lost.
Mathematics (Selina Concise) · 25 of 25 chapters ready 🎉
Understand how GST is calculated and applied to goods and services, including CGST, SGST, and IGST.
Calculate maturity value and interest on recurring deposit accounts using the standard banking formula.
Understand the relationship between nominal value, market value, and dividends, and calculate returns on share investments.
Solve linear inequations in one variable and represent solutions on the number line, working with the set of integers or real numbers.
Solve quadratic equations using factorisation and the quadratic formula, and understand the nature of roots.
Translate real-world word problems into quadratic equations and solve them, covering ages, numbers, speed, and geometric contexts.
Master properties of ratio and proportion including componendo-dividendo, and apply them to solve algebraic problems.
Use the Remainder and Factor Theorems to test for factors and find remainders when dividing polynomials.
Perform addition, subtraction, and multiplication of matrices, and understand their basic properties.
Find terms and sums of arithmetic progressions, where each term increases by a constant common difference.
Find terms and sums of geometric progressions, where each term is multiplied by a constant common ratio.
Find the reflected image of a point across the x-axis, y-axis, and origin, and understand invariant points.
Find the coordinates of a point dividing a line segment in a given ratio, and find midpoints of segments.
Find the slope of a line, and derive its equation using point-slope and two-point forms, plus conditions for parallel and perpendicular lines.
Understand similar triangles, the basic proportionality theorem, and apply similarity to maps and scale models.
Understand loci as paths satisfying a geometric condition, and construct the locus of points equidistant from given references.
Deepen understanding of circle theorems including angles in the same segment, cyclic quadrilaterals, and the angle in a semicircle.
Understand tangent properties, the tangent-secant relationship, and how intersecting chords relate their segment lengths.
Construct circumcircles and incircles of triangles, and construct tangents to a circle from an external point.
Calculate surface area and volume of cylinders, cones, and spheres, and solve problems involving combinations of solids.
Prove and apply trigonometric identities involving sin, cos, tan, and their reciprocals, building on the fundamental identity.
Apply trigonometric ratios to solve real-world problems involving angles of elevation and depression, including two-observation problems.
Draw histograms for grouped data, and construct ogives (cumulative frequency curves) to find median graphically.
Calculate mean, median, and mode for grouped data using direct, assumed mean, and step-deviation methods.
Calculate the probability of simple events, and understand complementary events, deepening the foundation from earlier classes.
Class 10 · Biology (Selina Concise)
A revision of the cell as the basic unit of life, and the structure and function of key organelles.
Learn about chromosome number, the cell cycle, and the difference between mitosis and meiosis.
Learn Mendel's Law of Dominance, and how to use a Punnett square to predict genetic crosses.
Learn how root hairs absorb water by osmosis, and trace water's pathway into the xylem.
Learn about transpiration, the role of stomata and guard cells, and the transpiration pull.
Learn the overall equation for photosynthesis, chlorophyll's role, and the conditions plants need.
Learn about plant hormones like auxin and gibberellins, and how they drive phototropism.
Learn about the heart's structure, double circulation, and arteries vs veins.
Learn about the kidney's structure, the nephron, and how urine is formed.
Learn about neuron structure and how a reflex arc produces a fast automatic response.
Learn about the eye's rods and cones, and how the ear converts sound into nerve impulses.
Learn about the pituitary, thyroid, pancreas, and adrenal glands and their hormones.
Learn about the male and female reproductive systems, fertilization, and implantation.
Learn about Darwin's theory of natural selection and the general stages of human evolution.
Learn what factors affect population size, and the problems caused by rapid population growth.
Learn about air, water, and noise pollution, their causes, and effects on health.
Class 10 · Chemistry (Selina Concise)
Learn the modern periodic law and how atomic size, ionisation potential and electronegativity vary.
Learn how electrovalent, covalent and coordinate bonds form and how they decide a compound's properties.
Learn the ionic definitions of acids and alkalis, indicators, pH, and how salts are prepared.
Identify Cu, Zn, Pb and Fe ions using the colours of precipitates with NaOH and NH₄OH.
Learn Avogadro's law, the mole and molar volume, and calculate masses and volumes from equations.
Learn about electrolytes, the products of electrolysis, and how electroplating works.
Learn how metals are extracted from ores, how aluminium is made by electrolysis, and what alloys are.
Learn how hydrogen chloride is prepared and collected, its properties, and how it is tested.
Learn how ammonia is made in the lab and by the Haber process, and how it behaves.
Learn how nitric acid is made, why it is a strong oxidising agent, and the brown ring test.
Learn the contact process, the properties of the concentrated acid, and the test for sulphates.
Learn hydrocarbons, homologous series, isomers, and the properties of ethanol and ethanoic acid.
Class 10 · Physics (Selina Concise)
Learn moments, couples, the centre of gravity, circular motion and the law of gravitation.
Learn how to calculate work, kinetic and potential energy, power, and the conservation of energy.
Learn mechanical advantage, velocity ratio, efficiency, levers, pulleys and the inclined plane.
Learn Snell's law, refractive index, real and apparent depth, and total internal reflection.
Learn how convex and concave lenses form images, and how to calculate the power of a lens.
Learn dispersion by a prism, the colours of objects, and the electromagnetic spectrum.
Learn wave speed, echo and SONAR calculations, pitch, loudness and resonance.
Master Ohm's law, series and parallel resistors, electrical power and the kilowatt-hour.
Understand live, neutral and earth wires, fuse ratings, MCBs and electrical safety.
Explore Fleming's rules, the DC motor, electromagnetic induction and transformers.
Solve problems on specific heat, the method of mixtures and latent heat.
Study alpha, beta and gamma radiation, nuclear equations, half-life, fission and fusion.
Real NCERT Maths chapters, story by story.
Class 5 · Mathematics (Math-Magic) · 14 of 14 chapters ready 🎉
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Class 5 · EVS (Looking Around)
Discover how our five senses help us explore the world, and how animals sense things differently.
Learn the journey of food through the human digestive system.
Learn how seeds travel, what they need to grow, and the parts of a seed.
Learn about the three states of water and what happens when water freezes or boils.
Learn about snake charmers' traditional way of life and why catching wild snakes is now illegal.
Learn about food preservation methods and the difference between food spoilage and food wastage.
Learn about saving water, rainwater harvesting, and everyday ways to conserve it.
Learn how mosquitoes breed in stagnant water and spread diseases like malaria and dengue.
Learn about tree climbing, estimating the height of tall trees, and how trees support wildlife.
Learn how different houses across India are built using local materials suited to their climate.
Learn about astronaut Sunita Williams's space journey, zero gravity, and basic facts about the Earth seen from space.
Learn about natural resources, renewable vs non-renewable resources, and why conserving them matters.
Learn why breathing is harder at high altitudes, and how mountain homes are built to suit their surroundings.
Learn what causes earthquakes, how buildings can be designed to withstand them, and why communities help each other.
Explore how breathing can both warm and cool things, depending on how you blow, and the science behind wind instruments.
Learn about the dignity of labour, and why every profession deserves respect.
Explore a story about gender equality, teamwork in sports, and following a dream despite obstacles.
Learn about displacement caused by large projects like dams, and the challenges faced by families who must leave home.
Learn about the journey of a seed from planting to harvest, and how farming methods have changed over the years.
Learn about the relationship between forest-dwelling communities and their forest home, and why protecting forests matters.
Learn about inherited traits passed from parents to children, and how individuals also grow in their own unique way.
Learn about the lives of migrant workers who move from place to place for work, and how rainfall affects livelihoods.
Class 6 · Mathematics (Ganita Prakash)
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Physics
Discover how magnets attract and repel, identify magnetic materials, and learn about the poles of a magnet.
Learn how to measure length accurately using standard units, and understand what motion means.
Understand what temperature means, how it's measured, and the difference between heat and temperature.
Explore the solar system, the Moon, stars, and other objects found in space beyond our planet.
Chemistry
Explore the different materials used to make everyday objects, and understand their properties.
Follow water as it changes between solid, liquid, and gas, and understand the water cycle.
Learn practical techniques for separating mixtures, like filtration, sieving, and evaporation.
Discover natural resources like minerals, metals, and fuels, and understand why they must be used responsibly.
Biology
Explore the huge variety of living things on Earth, from tiny microorganisms to giant trees, and how they're classified.
Learn about balanced diets, the nutrients our bodies need, and how to build healthy eating habits.
Understand what makes something 'alive' by exploring the key characteristics shared by all living things.
Class 7 · Mathematics (Ganita Prakash Part 1 & 2) · 15 of 15 chapters ready 🎉
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Physics
Learn how electric circuits work, the difference between series and parallel wiring, and the role of conductors and insulators.
Explore the three ways heat moves — conduction, convection, and radiation — and see them in everyday examples.
Build on measurement skills and explore motion concepts like distance, speed, and different types of motion in more depth.
Understand how light travels in straight lines, how shadows form, and the basic laws of reflection.
Explore the phases of the Moon, what causes eclipses, and how the motion of Earth and the Moon create these phenomena.
Chemistry
Learn how to classify substances as acidic, basic, or neutral, and how indicators help identify them.
Discover the properties of metals and non-metals, and how their reactivity with acids and oxygen differs.
Learn to distinguish physical changes from chemical changes, and identify signs that a chemical reaction has occurred.
Biology
Understand puberty, the physical and emotional changes of adolescence, and the importance of healthy habits during this stage.
Explore the basic processes all living things carry out to survive, including nutrition and respiration.
Learn how plants make food through photosynthesis, transport water and nutrients, and exchange gases through their leaves.
Class 8 · Mathematics (Ganita Prakash Part 1 & 2) · 14 of 14 chapters ready 🎉
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Physics
Explore how electric current produces magnetism and heat, and see how these effects are used in everyday devices.
Understand balanced and unbalanced forces, friction, and how forces affect the motion of objects.
Learn how air pressure creates wind, and understand what causes storms and cyclones.
Explore how mirrors and lenses form images through reflection and refraction.
Learn about periodic phenomena, how clocks measure time, and the history of timekeeping methods.
Chemistry
Understand that all matter is made of tiny particles, and explore atoms, molecules, and the kinetic theory.
Explore the physical and chemical properties of matter, and understand changes of state in more depth.
Learn about solutions, solubility, and how to separate the components of a mixture.
Explore the structure of the Earth, its rocks and minerals, and the natural resources it provides.
Biology
Discover microorganisms — bacteria, fungi, and other tiny living things — and their important roles in ecosystems.
Explore ecosystems, food chains, and nutrient cycles, and understand how living and non-living things interact.
Class 9 · Mathematics (Ganita Manjari Part 1) · 8 of 8 published chapters ready 🎉 (Part 2 not yet released by NCERT)
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Science (NCERT Exploration, 2026-27)
Learn what makes scientific thinking different from guesswork, and how observation and inquiry drive discovery.
Learn about cell structure, organelles, plant vs animal cells, and osmosis.
Learn about plant and animal tissues, and how their structure suits their function.
Learn about speed, uniform and non-uniform motion, and distance vs displacement.
Learn about different types of mixtures and separation techniques like filtration and distillation.
Learn Newton's three laws of motion, and how forces cause objects to start, stop, or change direction.
Learn how to calculate work and energy, and how simple machines make tasks easier.
Learn about protons, neutrons, and electrons, and the experiments that revealed atomic structure.
Learn about atoms, molecules, chemical formulas, and how to calculate molecular mass.
Learn how sound travels through different media, and the relationship between frequency and time period.
Learn about asexual reproduction (binary fission, budding) and sexual reproduction.
Learn about the hierarchy of biological classification, from Kingdom down to Species.
Learn about Earth's four major subsystems and how they interact.
Class 10 · Mathematics · 14 of 14 chapters ready 🎉
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Chemistry
Learn to write and balance chemical equations, and identify the five main types of chemical reactions.
Explore the pH scale, how indicators reveal a substance's nature, and neutralization reactions.
Compare the properties of metals and non-metals, explore the reactivity series, and see how ionic bonds form.
Discover covalent bonding, the homologous series of alkanes, and common functional groups.
Biology
Explore nutrition, respiration, transportation, and excretion — the essential processes every living thing needs.
Explore how the nervous system and hormones work together to control the body's responses.
Compare asexual and sexual reproduction, and get an overview of the human reproductive system.
Explore how traits pass from parents to offspring through Mendel's experiments and Punnett squares.
Physics
Master the laws of reflection and refraction, and use the mirror and lens formulas.
Learn how the eye focuses light, common vision defects and their correction, and why the sky is blue.
Learn Ohm's law, series and parallel resistance, and electrical power and energy.
Discover the magnetic field around a current-carrying wire, electromagnets, and the motor effect.
সহজ ভাষায়, উদাহরণ সহ, গণিত শেখো।
পঞ্চম শ্রেণি · গণিত · ২১টির মধ্যে ২১টি অভিযান প্রস্তুত 🎉
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ষষ্ঠ শ্রেণি · গণিত (গণিত প্রভা) · ১৪টি অধ্যায় প্রস্তুত 🎉
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সপ্তম শ্রেণি · গণিত (গণিত প্রভা) · ২২টি অধ্যায় প্রস্তুত 🎉
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অষ্টম শ্রেণি · গণিত (গণিত প্রভা) · ২৩টি অধ্যায় প্রস্তুত 🎉
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জীববিজ্ঞান
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নবম শ্রেণি · গণিত (গণিত প্রকাশ) · ২১টি অধ্যায় প্রস্তুত 🎉
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নবম শ্রেণি · পদার্থবিজ্ঞান · ৭টি অধ্যায় প্রস্তুত
নবম শ্রেণি · জীববিজ্ঞান · ১২টি অধ্যায় প্রস্তুত
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দশম শ্রেণি (মাধ্যমিক) · গণিত (গণিত প্রকাশ) · ২৬টি অধ্যায় প্রস্তুত 🎉
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দশম শ্রেণি (মাধ্যমিক) · পদার্থবিজ্ঞান · ৬টি অধ্যায় প্রস্তুত
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ICSE
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দশম শ্রেণি (মাধ্যমিক) · জীববিজ্ঞান · ৭টি অধ্যায় প্রস্তুত
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WBBSE
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