Class 9 — Interactive Simulations
Explore 68+ interactive chapters across Physics, Mathematics, and Chemistry aligned with CBSE and ICSE syllabi for Class 9.
Physics
6 interactive simulations and 15 chapter explorations for Class 9 Physics.
Interactive Simulations
Newton's Laws
Experience all three laws of motion through interactive experiments. Push objects, observe inertia, and explore action-reaction force pairs.
Gravitation
Explore universal gravitation, compare weight on different planets, and simulate free fall. Understand how mass and distance affect gravitational force.
Sound Waves
Explore longitudinal waves, echoes, and frequency. Visualize compressions and rarefactions, and calculate speed of sound in different media.
Work & Energy
Calculate work done (W=Fd), explore kinetic and potential energy, and verify conservation of energy with interactive roller-coaster and ramp simulations.
Equations of Motion
Apply v=u+at and s=ut+½at² interactively. Plot velocity-time and displacement-time graphs, and solve motion problems visually.
Momentum & Collision Lab
Simulate elastic and inelastic collisions between two carts. Verify conservation of momentum, compare kinetic energy before and after, and record multiple trials.
All Physics Chapters — Class 9
Motion
Interactive CBSE Class 9 motion simulation. Explore distance-displacement, velocity-acceleration, and equations of motion graphically.
Force and Laws of Motion
Interactive CBSE Class 9 Newton's laws simulation. Explore inertia, F=ma, action-reaction, and conservation of momentum virtually.
Gravitation
Interactive CBSE Class 9 gravitation simulation. Explore universal law of gravitation, free fall, weight vs mass, and Kepler's laws.
Work and Energy
Interactive CBSE Class 9 work and energy simulation. Explore kinetic energy, potential energy, work-energy theorem, and power.
Sound
Interactive CBSE Class 9 sound simulation. Explore longitudinal waves, frequency, pitch, echo, and characteristics of sound waves.
Measurements and Experimentation
Interactive ICSE Class 9 measurement simulation. Use virtual vernier calipers, pendulum experiments, and graph plotting tools.
Motion in One Dimension
Interactive ICSE Class 9 1D motion simulation. Plot velocity-time graphs, use equations of motion, and explore uniform acceleration.
Laws of Motion
Interactive ICSE Class 9 Newton's laws simulation. Explore inertia, force-acceleration relationship, and action-reaction pairs.
Pressure in Fluids and Atmospheric Pressure
Interactive ICSE Class 9 fluid pressure simulation. Explore Pascal's law, hydraulic press, barometer, and manometer virtually.
Upthrust and Archimedes Principle
Interactive ICSE Class 9 buoyancy simulation. Explore Archimedes principle, flotation, and density with virtual buoyancy experiments.
Heat and Energy
Interactive ICSE Class 9 heat energy simulation. Explore specific heat capacity, calorimetry, latent heat, and change of state.
Reflection of Light
Interactive ICSE Class 9 reflection simulation. Explore reflection laws, concave and convex mirrors, and image formation with ray diagrams.
Sound Waves
Interactive ICSE Class 9 sound waves simulation. Explore wave properties, echo, resonance, and characteristics of musical sounds.
Current Electricity
Interactive ICSE Class 9 electricity simulation. Explore Ohm's law, resistance, resistivity, and EMF with virtual circuit experiments.
Magnetism
Interactive ICSE Class 9 magnetism simulation. Explore magnetic field patterns, plotting field lines, and earth's magnetic field.
Mathematics
5 interactive simulations and 40 chapter explorations for Class 9 Mathematics.
Interactive Simulations
Real Numbers
Explore rational and irrational numbers, visualize the number hierarchy, and understand how real numbers form a complete number line.
Polynomials
Graph polynomials, find zeros visually, and apply the remainder theorem. Adjust coefficients to see how the curve shape changes.
Coordinate Geometry
Plot points, calculate distances, find midpoints, and compute areas on a coordinate plane. Drag points and see formulas update live.
Circle Theorems
Explore inscribed angles, central angles, tangent properties, and chord theorems. Drag points on circles to verify geometric relationships.
Trigonometry
Explore trigonometric ratios on the unit circle. Calculate heights and distances, and visualize sin, cos, and tan as interactive triangles.
All Mathematics Chapters — Class 9
Number Systems
Interactive CBSE Class 9 number systems simulation. Explore rational, irrational numbers, real number line, and laws of exponents.
Polynomials
Interactive CBSE Class 9 polynomials simulation. Explore polynomial graphs, zeroes, remainder theorem, and factorization visually.
Coordinate Geometry
Interactive CBSE Class 9 coordinate geometry simulation. Plot points, explore quadrants, and find distances on the Cartesian plane.
Linear Equations in Two Variables
Interactive CBSE Class 9 linear equations simulation. Plot equations as lines, find solutions, and explore system of equations graphically.
Introduction to Euclid's Geometry
Interactive CBSE Class 9 Euclid geometry simulation. Explore axioms, postulates, and geometric proofs with interactive constructions.
Lines and Angles
Interactive CBSE Class 9 lines and angles simulation. Explore angle theorems, parallel line properties, and angle sum in triangles.
Triangles
Interactive CBSE Class 9 triangles simulation. Explore congruence criteria (SAS, ASA, SSS, RHS) and triangle properties with visual proofs.
Quadrilaterals
Interactive CBSE Class 9 quadrilateral simulation. Explore parallelogram theorems, mid-point theorem, and diagonal properties.
Areas of Parallelograms and Triangles
Interactive CBSE Class 9 area simulation. Explore area theorems for parallelograms and triangles on same base and between parallels.
Circles
Interactive CBSE Class 9 circle theorems simulation. Explore chords, arcs, angles subtended, and cyclic quadrilateral properties.
Constructions
Interactive CBSE Class 9 constructions simulation. Bisect angles, construct triangles given specific conditions, with step-by-step guides.
Heron's Formula
Interactive CBSE Class 9 Heron formula simulation. Calculate triangle area from side lengths, explore applications for quadrilaterals.
Surface Areas and Volumes
Interactive CBSE Class 9 3D shapes simulation. Calculate surface areas and volumes of cubes, cylinders, cones, and spheres in 3D.
Statistics
Interactive CBSE Class 9 statistics simulation. Collect data, create frequency tables, histograms, and calculate mean, median, mode.
Probability
Interactive CBSE Class 9 probability simulation. Perform virtual experiments, calculate probabilities, and explore random outcomes.
Rational and Irrational Numbers
Interactive ICSE Class 9 number systems simulation. Explore rational, irrational numbers, surds, and rationalizing denominators.
Compound Interest
Interactive ICSE Class 9 compound interest simulation. Calculate CI for different periods and compare with simple interest visually.
Expansions
Interactive ICSE Class 9 expansions simulation. Visualize algebraic identities and expand expressions using interactive tools.
Factorization
Interactive ICSE Class 9 factorization simulation. Factor polynomials using factor theorem, remainder theorem, and identities.
Simultaneous Linear Equations
Interactive ICSE Class 9 simultaneous equations simulation. Solve systems graphically and algebraically with visual intersections.
Indices and Logarithms
Interactive ICSE Class 9 indices and logarithms simulation. Explore laws of indices, introduce logarithms, and solve log equations.
Triangles
Interactive ICSE Class 9 triangles simulation. Explore congruence, isosceles triangle theorems, and inequality relationships.
Mid-Point Theorem
Interactive ICSE Class 9 mid-point theorem simulation. Verify mid-point theorem, intercept theorem with interactive triangles.
Pythagoras Theorem
Interactive ICSE Class 9 Pythagoras theorem simulation. Prove the theorem visually, find triples, and solve distance problems.
Rectilinear Figures
Interactive ICSE Class 9 rectilinear figures simulation. Explore quadrilateral theorems and area calculations interactively.
Area and Perimeter of Plane Figures
Interactive ICSE Class 9 area simulation. Calculate areas using Heron's formula and compute sector and segment areas.
Circle
Interactive ICSE Class 9 circle simulation. Explore chord theorems, cyclic quadrilateral properties, and arc-angle relationships.
Constructions
Interactive ICSE Class 9 constructions simulation. Construct circumscribed and inscribed circles, and regular polygons precisely.
Trigonometric Ratios
Interactive ICSE Class 9 trigonometry simulation. Explore sin, cos, tan ratios, standard angles, and complementary relationships.
Trigonometric Identities
Interactive ICSE Class 9 trig identities simulation. Verify and prove fundamental trigonometric identities with interactive tools.
Surface Area and Volume
Interactive ICSE Class 9 3D shapes simulation. Calculate surface areas and volumes of cones, spheres, and combined solids in 3D.
Coordinate Geometry
Interactive ICSE Class 9 coordinate geometry simulation. Apply distance, section, and midpoint formulas on the coordinate plane.
Graphical Solution
Interactive ICSE Class 9 graphical solution simulation. Solve equations graphically and find intersection points visually.
Statistics
Interactive ICSE Class 9 statistics simulation. Calculate mean, median, mode of grouped data and draw histograms and ogives.
Probability
Interactive ICSE Class 9 probability simulation. Explore theoretical probability, complementary and mutually exclusive events.
Matrices
Interactive ICSE Class 9 matrices simulation. Explore matrix types, perform addition, subtraction, and scalar multiplication.
Ratio and Proportion
Interactive ICSE Class 9 ratio simulation. Explore componendo-dividendo, alternendo-invertendo, and advanced proportion problems.
Quadratic Equations (Introduction)
Interactive ICSE Class 9 quadratic equations simulation. Solve quadratics by factorization and explore nature of roots graphically.
Linear Inequations
Interactive ICSE Class 9 inequations simulation. Solve and graph linear inequations, including double and systems of inequations.
Similarity
Interactive ICSE Class 9 similarity simulation. Explore BPT theorem, similarity criteria, and area ratios of similar triangles.
Chemistry
5 interactive simulations and 13 chapter explorations for Class 9 Chemistry.
Interactive Simulations
Atomic Structure
Build Bohr model atoms, fill electron configurations, and explore how atomic number determines element identity and chemical behavior.
Periodic Trends
Overlay property heat maps on the periodic table. Compare atomic radius, ionization energy, and electronegativity across periods and groups.
Chemical Bonding
Form ionic and covalent bonds, draw Lewis dot structures, and visualize electron sharing and transfer between atoms.
States of Matter
Simulate the particle model of matter, plot heating curves, and observe how temperature and pressure affect phase transitions.
Mole Concept
Understand Avogadro's number, convert between moles, mass, and particles, and determine empirical formulas from composition data.
All Chemistry Chapters — Class 9
Matter in Our Surroundings
Interactive CBSE Class 9 matter simulation. Explore states of matter, particle motion, change of state, and evaporation interactively.
Is Matter Pure
Interactive CBSE Class 9 mixtures simulation. Explore solutions, suspensions, colloids, and separation techniques in a virtual lab.
Atoms and Molecules
Interactive CBSE Class 9 atoms simulation. Build molecules, explore atomic mass, mole concept, and chemical formulae interactively.
Structure of the Atom
Interactive CBSE Class 9 atomic structure simulation. Explore electron shells, Thomson and Rutherford models, and isotopes visually.
Language of Chemistry
Interactive ICSE Class 9 chemical equations simulation. Master balancing equations, identify reaction types, and molar calculations.
Chemical Changes and Reactions
Interactive ICSE Class 9 reactions simulation. Explore energy changes, rate of reaction, and factors affecting reaction rate.
Water
Interactive ICSE Class 9 water simulation. Explore water of crystallization, electrolysis of water, and water as an oxidizing agent.
Atomic Structure and Chemical Bonding
Interactive ICSE Class 9 bonding simulation. Explore ionic, covalent, and metallic bonding with electron transfer animations.
The Periodic Table
Interactive ICSE Class 9 periodic table simulation. Explore periodic law, groups, periods, and trends across the periodic table.
Hydrogen
Interactive ICSE Class 9 hydrogen simulation. Explore industrial preparation, reducing properties, and hydrogen as clean fuel.
Gas Laws
Interactive ICSE Class 9 gas laws simulation. Explore Boyle's law, Charles's law, and their combination with virtual gas experiments.
Atmospheric Pollution
Interactive ICSE Class 9 pollution simulation. Explore acid rain, global warming, ozone depletion, and pollution control measures.
Practical Chemistry
Interactive ICSE Class 9 practical chemistry simulation. Perform virtual experiments, identify gases, and practice lab techniques.