Published concept labs
Board science concept study map
Published interactive labs for revising visible physics, chemistry, and biology processes alongside your prescribed textbook and board-specific syllabus.
How to use this page
Open a lab, vary one input at a time, and write down the relationship you observe. Then return to your textbook or problem set and explain the same relationship without the visual aid.
Physics
Observe motion, oscillation, circuit behaviour, light, and interference in the published physics labs.
Published interactive lab
Projectile Motion Simulator — Interactive Physics Lab
Launch a projectile with adjustable angle, speed, gravity, mass, and air resistance. Compare planets, target a landing point, and read live range and height data.
Concepts: projectile motion, parabolic trajectory, air resistance
Published interactive lab
Pendulum Lab — Multi-Pendulum Simulator with RK4
Simulate up to 4 pendulums online with RK4 integration. Adjust length, mass, angle, damping, and coupling. Compare planets, view phase space and energy graphs. Free interactive pendulum simulator.
Concepts: simple pendulum, damped oscillation, coupled pendulums
Published interactive lab
Circuit Lab — Interactive Schematic & DC Simulator
Build and simulate DC circuits online with this free circuit lab. Place resistors, capacitors, LEDs, voltage sources, and more, then run nodal analysis to see voltage, current, and power.
Concepts: Ohm's law, nodal analysis, Kirchhoff's laws
Published interactive lab
Refraction Lab — Snell's Law & Total Internal Reflection
Explore Snell's law and total internal reflection with this free online refraction simulator. Choose optical media, set the incident angle, and observe refraction, reflection intensity, and TIR with white light.
Concepts: Snell's law, refraction, total internal reflection
Published interactive lab
Wave Interference Simulator — 2D Interference Patterns
Simulate 2D wave interference online with up to 8 sources. View displacement, intensity, or phase maps in real time. Adjust frequency, wavelength, phase, and amplitude per source.
Concepts: wave interference, constructive and destructive interference, Young's double slit
Chemistry
Use these models to explore element properties, molecular structure, reaction rates, and acid-base titration.
Published interactive lab
Interactive Periodic Table – Element Properties Online
Explore all 118 elements with periodic trends, electron configurations, and atomic data in this free interactive online periodic table for chemistry learners.
Concepts: periodic trends, electron configuration, ionization energy
Published interactive lab
Molecular Lab – Build & Visualize 3D Molecules Online
Build molecules in 3D, apply VSEPR theory, and explore bonding in this free interactive online molecular lab simulator for geometry and polarity.
Concepts: VSEPR theory, molecular geometry, bond polarity
Published interactive lab
Reaction Kinetics – Mechanisms & Rate-Determining Step
Explore elementary reaction steps, rate-determining steps, and reaction coordinate diagrams in this free interactive online reaction kinetics simulator.
Concepts: elementary reaction step, rate-determining step, steady-state approximation
Published interactive lab
Titration Lab Simulator – Acid-Base Curves Online
Perform virtual strong acid-base, weak acid-base, and polyprotic acid titrations and analyze equivalence points in this free interactive online titration lab.
Concepts: equivalence point, titration curve, pH indicator
Biology
Inspect cells, cell division, natural selection, and neural signalling through the published biology labs.
Published interactive lab
Cell Lab: Observe & Analyze Living Cells
Examine living cell behavior — membrane transport, organelle activity, and cellular response — in this free online cell lab simulation for biology students.
Concepts: osmosis, membrane transport, cell physiology
Published interactive lab
Cell Division: Mitosis & Meiosis Simulation
Step through mitosis and meiosis phase by phase in this free interactive cell division simulation — watch chromosomes separate and understand why each process matters.
Concepts: mitosis, meiosis, chromosome segregation
Published interactive lab
Natural Selection Simulation: Survive, Adapt, Evolve
See natural selection in action as traits are filtered by the environment in this free online simulation — ideal for evolution and biology units.
Concepts: natural selection, survival of the fittest, selective pressure
Published interactive lab
Neuron Simulation: Action Potentials & Synaptic Transmission
Model a single neuron's electrical activity — resting potential, action potential, and synaptic transmission — in this free interactive neuron simulation.
Concepts: action potential, resting membrane potential, ion channels