STEM Interactive Simulations · 72 Visual Labs

Physics & Math Interactive Simulations

Free interactive physics and math simulations with step-by-step derivations, exam-trap presets, printable worksheets and projector mode.

👨‍🏫 Classroom & Projector

High-definition projector mode with real-time vector animations and student worksheets.

👨‍👩‍👧 Parent Tutoring & Logic

Classic word problems, rates, and set models with 100% private local computation.

🎓 AP / GCSE Exam Mastery

Targeted misconception presets to tackle challenging exam trap questions.

🎯 Syllabus-Aligned Lab Collections

Curated interactive experiment sequences for exam preparation and inquiry learning

AP Physics 1 · College Board

🚀 AP Physics 1 Interactive Simulations →

Kinematics, free body diagrams, Newton's second law, pulley dynamics and collisions

GCSE / IGCSE Physics · KS4

🔬 GCSE Physics Interactive Simulations →

Ray optics, refraction, circuit troubleshooting, density, and moments of forces

Mechanics & Simple Machines (15)

Buoyancy & Archimedes principle, lever balance, pulley systems, inclined plane efficiency, projectile motion, Newton's laws and momentum conservation.

AP Physics 1 Unit 2

Free Body Diagram & Static vs Kinetic Friction Simulator

Simulate static and kinetic friction transitions, free body diagram or...

Open Simulator
GCSE Physics Forces & Machines

Pulley System Block & Tackle Simulator

Simulate fixed and movable pulleys, block and tackle stringing rules (...

Open Simulator
GCSE Physics Moments & Levers

Lever Balance & Torque Moment Arm Simulator

Interactive lever balance condition F1*L1 = F2*L2, perpendicular momen...

Open Simulator
GCSE Physics Buoyancy & Density

Archimedes' Principle & Buoyancy Force Simulator

Interactive Archimedes overflow can experiment F_buoy = rho*g*V_disp, ...

Open Simulator
GCSE Physics Pressure in Fluids

Pascal's Law Hydraulic Lift & Pressure Simulator

Simulate Pascal's principle p = F1/A1 = F2/A2 in hydraulic jacks, forc...

Open Simulator
GCSE Physics Hooke's Law & Elasticity

Hooke's Law Spring Scale & Dual-Pull Simulator

Demystify the classic exam paradox: two opposing 5N pulls read 5N, NOT...

Open Simulator
AP Physics 1 Unit 2

Newton's Second Law & Connected Bodies Simulator

Simulate F=ma dynamics, connected body systems, apparent weight in ele...

Open Simulator
GCSE Physics Topic 5

Galileo's Ideal Incline & Newton's First Law Simulator

Simulate Galileo's ideal incline experiment and rolling carts on towel...

Open Simulator
GCSE Physics Topic 5

Newton's Third Law vs Balanced Forces Simulator

Contrast action-reaction pairs with balanced forces. Demonstrate why r...

Open Simulator
AP Physics 1 Unit 1

Kinematics Ticker-Tape & v-t Graph Simulator

Simulate ticker-tape paper strips, v-t graph slopes for acceleration, ...

Open Simulator
AP Physics 1 Unit 1

Projectile & Trajectory Motion Simulator

Simulate projectile motion vector decomposition: horizontal uniform mo...

Open Simulator
AP Physics 1 Unit 3

Uniform Circular Motion & Centripetal Force Simulator

Simulate centripetal force Fn=mv²/r, convex bridge weightless takeoff,...

Open Simulator
GCSE Physics Topic 5

Atmospheric Pressure & Torricelli Barometer Simulator

Simulate Torricelli barometer experiment: tube tilt preserves vertical...

Open Simulator
GCSE Physics

Bernoulli's Principle & Airfoil Aerodynamic Lift Simulator

Simulate Bernoulli's principle: higher airspeed over cambered airfoil ...

Open Simulator
GCSE Physics Topic 5

Inclined Plane & Screw Thread Simulator

Simulate inclined plane mechanical advantage: gentle slopes require le...

Open Simulator

Optics & Waves (12)

Convex lens real-time ray tracing, Snell's law & total internal reflection, Young's double-slit interference, thin-film interference, Doppler effect, and standing waves.

GCSE Physics Topic 6

Convex & Concave Lens Optical Bench Simulator

Simulate convex and concave lens optical bench: ray diagrams, thin len...

Open Simulator
GCSE Physics Topic 6

Snell's Law & Fisherman Spearing Fish Refraction Simulator

Simulate Snell's Law refraction: air to water/glass ray tracing, fishe...

Open Simulator
GCSE Physics Topic 6

Pinhole Camera & Eclipse Simulator

Simulate rectilinear propagation of light: pinhole inverted real image...

Open Simulator
GCSE Physics Topic 6

Plane Mirror Reflection & Periscope Simulator

Simulate plane mirror reflection: virtual image equal in size and symm...

Open Simulator
GCSE Physics Topic 6

Prism Dispersion & Rainbow Spectrum Simulator

Simulate Newton prism dispersion: wavelength-dependent refractive inde...

Open Simulator
GCSE Physics Topic 6

Sound Wave Characteristics & Oscilloscope Simulator

Simulate sound properties on an oscilloscope: amplitude dictates loudn...

Open Simulator
AP Physics 1 Unit 8

Doppler Effect Acoustic & Electromagnetic Simulator

Simulate Doppler effect: frequency shift f' = f(v±v0)/(v∓vs), approach...

Open Simulator
AP Physics 2

Double-Slit Interference & Single-Slit Diffraction Simulator

Simulate wave optics: Young's double-slit interference fringe spacing ...

Open Simulator
AP Physics 2

Photoelectric Effect & Stopping Voltage Simulator

Simulate the Photoelectric Effect: photon energy E=hν, work function W...

Open Simulator
AP Physics 1 Unit 6

Simple Harmonic Motion & Mechanical Wave Simulator

Simulate SHM and mechanical transverse wave propagation: individual pa...

Open Simulator
GCSE Physics Topic 6

Compound Microscope & Astronomical Telescope Simulator

Simulate dual-lens optical instruments: compound microscope (objective...

Open Simulator
AP Physics 1 Unit 6

Acoustic Resonance & Tuning Fork Box Simulator

Simulate forced oscillations and resonance: amplitude peaks when drivi...

Open Simulator

Electricity & Magnetism (13)

Series & parallel Ohm's law, voltmeter internal/external error, closed-circuit EMF, Faraday induction & Lenz's law, Lorentz force deflection, and RC transient circuits.

GCSE Physics Topic 4

Series-Parallel Circuit Fault & Rheostat Simulator

Simulate series-parallel circuits, sliding rheostat dynamics ("series-...

Open Simulator
AP Physics 2

Ohm's Law & Volt-Ampere Resistance Measurement Simulator

Simulate Ohm's law and volt-ampere resistance experiments: external wi...

Open Simulator
GCSE Physics Topic 4

Joule's Law & Electric Heating Simulator

Simulate Joule's Law: Q = I²Rt heating, why nichrome stove elements gl...

Open Simulator
GCSE Physics Topic 4

Rated vs Actual Power Bulb Brightness Simulator

Simulate bulb brightness and rated vs actual power: resolve the 40W vs...

Open Simulator
GCSE Physics Topic 7

Solenoid Magnetic Field & Right-Hand Grip Rule Simulator

Simulate Oersted effect and solenoid magnetism: Right-Hand Grip Rule (...

Open Simulator
AP Physics C

Lorentz Force & Charged Particle Motion Simulator

Simulate Lorentz magnetic deflection: Left-Hand Rule, zero work theore...

Open Simulator
AP Physics C

Faraday's Induction & Lenz's Law Simulator

Simulate Faraday's Law E = n(ΔΦ/Δt) and Lenz's Law: plunging magnet in...

Open Simulator
GCSE Physics Topic 7

DC Electric Motor & Commutator Simulator

Simulate DC electric motors: Ampere force torque, how the split-ring c...

Open Simulator
AP Physics C

AC Alternator & Sine Wave Generator Simulator

Simulate AC alternators: rotating armature with dual continuous slip r...

Open Simulator
AP Physics 2

Ideal Transformer & High-Voltage Grid Transmission Loss Simulator

Simulate ideal transformers: U1/U2 = n1/n2, I1/I2 = n2/n1, P_in = P_ou...

Open Simulator
AP Computer Science

Digital Logic Gates & Truth Table Simulator

Simulate fundamental digital logic gates: AND (series switches), OR (p...

Open Simulator
AP Physics 2 Unit 3

Coulomb Law & Electrostatic Induction Simulator

Simulate electrostatic principles: Coulomb's inverse-square law, elect...

Open Simulator
AP Physics 2

Galvanometer Modification & Meter Shunt/Multiplier Simulator

Simulate galvanometer modifications: series multiplier resistor for vo...

Open Simulator

Thermodynamics & Energy (8)

Four-stroke internal combustion engine cycles, specific heat capacity equilibrium, Brownian motion & Maxwell-Boltzmann speeds, ideal gas PV/PT diagrams, and Carnot efficiency.

GCSE Physics Topic 3

Four-Stroke Internal Combustion Engine Simulator

Simulate four-stroke internal combustion engines: valve sequencing, pi...

Open Simulator
GCSE Physics Topic 3

Specific Heat Capacity & Sea Breeze Simulator

Simulate specific heat capacity: Q = cmΔt heat calculations, water's i...

Open Simulator
GCSE Physics Topic 3

Phase Change Melting & Boiling Curve Simulator

Simulate phase change temperature curves: crystalline melting plateau ...

Open Simulator
GCSE Physics Topic 3

Thermal Expansion & Bimetallic Strip Thermostat Simulator

Simulate thermal expansion and bimetallic strips: differential expansi...

Open Simulator
AP Physics 2 Unit 2

Ideal Gas Law & p-V Thermodynamic Cycle Simulator

Simulate ideal gas thermodynamics: pV = nRT state transitions, isother...

Open Simulator
AP Physics 2 Unit 2

Carnot Cycle & Heat Engine Efficiency Simulator

Simulate the ideal Carnot cycle: isothermal expansion, adiabatic expan...

Open Simulator
GCSE Physics Topic 3

Heat Transfer Mechanisms Simulator

Simulate three heat transfer mechanisms: conduction (molecular collisi...

Open Simulator
AP Physics 2

Joule's Mechanical Equivalent of Heat Simulator

Simulate Joule's landmark paddle-wheel experiment: falling weights rot...

Open Simulator

Mathematical Thinking & Word Problems (Parent & Teacher Workshop) (14)

Classic bridge crossing, chain link overlap, simultaneous systems, and work rate problems. Designed for parent guidance and classroom exploration with 100% local in-browser computation.

Rate & Distance Models

Train Tunnel & Relative Motion Simulator

Simulate train crossing bridges and tunnels: complete crossing s = bri...

Open Simulator
Set Overlap & Inclusion-Exclusion

Chain Link Overlap & Inclusion-Exclusion Visualizer

Simulate chain link interlocking lengths: each joint consumes 2 wall t...

Open Simulator
Pattern & Interval Reasoning

Rope Folding & Cutting Fencepost Visualizer

Simulate rope folding and cutting: folding n times and cutting m blade...

Open Simulator
Simultaneous Equations & Models

Chicken & Rabbit in a Cage 4-Method Visualizer

Simulate the classical Chinese mathematical problem: 35 heads and 94 f...

Open Simulator
Dynamic Rate of Consumption

Newton's Grazing Problem & Dynamic Equilibrium Visualizer

Simulate Isaac Newton's classic grazing problem: grass grows steadily ...

Open Simulator
Arithmetic Logic Models

Elementary Arithmetic Thinking 5-in-1 Animator

Interactive visualizer for 5 classic elementary word problem paradigms...

Open Simulator
Operations Research & Combinatorics

Pancake Frying Optimization & River Crossing Simulator

Simulate operations research optimization: frying 3 pancakes in 9 minu...

Open Simulator
Linear Age Models

Age Problem Constant-Difference Visualizer

Simulate age word problems: the fundamental principle that age differe...

Open Simulator
Visual Fractions Area Models

Fraction Visualizer & Grid Tile Calculator

Simulate fraction arithmetic visually: why 1/2 + 1/3 ≠ 2/5 via common ...

Open Simulator
Number Theory Foundations

GCF Tiling & LCM Bus Dispatch Visualizer

Simulate fundamental number theory: GCF floor tiling (covering a recta...

Open Simulator
Angular Velocity & Clock Angles

Clock Angle & Catch-up Chase Simulator

Simulate clock hand dynamics: minute hand (6°/min) chases hour hand (0...

Open Simulator
Combinatorics & Pigeonhole Principle

Pigeonhole Principle & Worst-Case Scenario Visualizer

Simulate the Pigeonhole Principle (Dirichlet box): n+1 pigeons in n ho...

Open Simulator
Computer Science Principles

Binary Base & Weight Scale Visualizer

Simulate positional number systems: mechanical base-2 ball carry machi...

Open Simulator
High School Algebra

Arithmetic & Geometric Sequence Visualizer

Simulate fundamental mathematical sequences: young Carl Friedrich Gaus...

Open Simulator

Spatial Geometry & Functions (10)

Area equidecomposition, painted cube onion peeling & 11 nets folding, water displacement rod surge, Pythagorean theorem proofs, quadratic parabola moving-axis extrema, and Riemann sum integration.

Geometry & Area Equivalence

Area Cut & Paste Equidecomposition Visualizer

Interactive 2D equidecomposition and shear visualizer: slicing a circl...

Open Simulator
3D Spatial Geometry

Painted Cube & Polyhedron Net Visualizer

Master 3D spatial reasoning: interactive onion-peeling of an n×n×n pai...

Open Simulator
Common Core Grade 7-8 Geometry

Water Displacement & Immersion Visualizer

Simulate Archimedes water displacement for irregular solids and solve ...

Open Simulator
Common Core Grade 8 Geometry

Pythagorean Theorem Visual Proof & Chord Diagram Solver

Interactive dynamic proof visualizer for the Pythagorean theorem: Zhao...

Open Simulator
AP Calculus AB/BC Unit 6

Riemann Sum & Definite Integral Visualizer

Master AP Calculus / College Calculus integration: dynamically adjust ...

Open Simulator
Common Core High School Algebra I

Quadratic Function & Parabola Moving-Axis Visualizer

Master quadratic functions and parabolas: vertex form transformations ...

Open Simulator
AP Precalculus Unit 3

Unit Circle & Trigonometric Wave Visualizer

Master trigonometry and wave functions: dynamic unit circle rotating p...

Open Simulator
Common Core Grade 8 Geometry

Shortest Surface Path & 3D Unfolding Visualizer

Conquer 3D shortest path problems via surface unfolding: interactively...

Open Simulator
SAT Math Historical Problems, AP Physics 1

Coin Rolling Paradox & Epicycloid Simulator

Simulate the famous Coin Rolling Paradox (the flawed 1982 SAT math que...

Open Simulator
AP Precalculus Unit 4

Conic Sections & Ellipse Construction Visualizer

Conquer conic sections: 3D cone slicing generating circles, ellipses, ...

Open Simulator

How to investigate abstract physics concepts?

Begin with default presets to build an intuitive mental model, then manipulate key variables (focal length, mass, resistance, or angle) to observe dynamic relationships, and test misconception presets to identify conceptual boundaries.

How to use in classroom teaching and presentations?

Use Projector Mode to eliminate distractions on large displays. Use Share Link to distribute exact parameter states to students via hash-encoded URLs, and use Print Worksheet to generate physical inquiry sheets.

Frequently Asked Questions

What curricula and grade levels are covered?

Covers middle and high school physics (mechanics, optics, electromagnetism, thermodynamics), AP Physics, IB Physics, GCSE Foundation Maths, and introductory calculus.

Are the simulation dynamics mathematically rigorous?

All kinetic and optical phenomena are computed numerically using governing physical laws in real time, with misconception presets verifying edge conditions.

Do these simulations require browser plugins or student logins?

No plugins or user accounts are required. All simulations run purely client-side via native HTML5 Canvas on desktops, tablets, and mobile devices.