Parque de Patinaje: Intro

Intro a la conservación de energía mecánica en una rampa.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

CalcPlot3D (Español)

Versión en español del graficador 3D CalcPlot3D — superficies, campos vectoriales, curvas de nivel, integrales triples, ecuaciones diferenciales.

Presión Hidrostática

Presión en fluidos: p = ρgh.

Péndulo Simple

Oscilación de un péndulo simple. Periodo, energía, amortiguamiento.

Simple Pendulum (PS)

Oscillation under gravity with real-time graph.

Decimal Strips

Decimal strips — connect fractions to decimals.

Lizard Evolution Virtual Lab

Explore natural selection and adaptation in Anolis lizards across Caribbean islands.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Bajo Presión

Explora presión en fluidos y la ecuación de Bernoulli.

Guia IB

Number Pieces

Work with base-ten blocks to model multi-digit operations visually.

Clock: Tell Time

Interactive analog clock for learning to tell time. Drag hands to set times.

Seterra: Asia

Identify Asian countries on an interactive map.

Space Volcanoes Explorer

Explore the many volcanoes in our solar system! Compare volcanic activity on Earth, Mars, Venus, Io, and other bodies. Interactive visualization of geological processes across the solar system.

Aceleración Uniforme

Simulación de movimiento con aceleración constante. Gráficas x-t, v-t, a-t.

Equilibrio de Fuerzas

Simulación del equilibrio de fuerzas concurrentes.

Our World in Data

Interactive charts and data visualizations on global issues — poverty, health, education, environment.

Damped Oscillations

Explore underdamped, critically damped, and overdamped oscillations.

Puente de Wheatstone

Medición de resistencias con puente de Wheatstone.

Reaction-Diffusion Patterns

Generate Turing patterns — spots, stripes, and spirals from reaction-diffusion systems.

Friction: Static vs Kinetic

Threshold behavior and motion under static and kinetic friction.

Respiración Celular (UNAM)

Glucólisis, ciclo de Krebs y cadena de transporte de electrones.

GeoGebra: Geometry

Dynamic geometry — constructions, transformations, and proofs.

GeoGebra: Spreadsheet

Spreadsheet with charts and statistical analysis tools.

Equivalent Fractions (Bars)

Find equivalent fractions using bar models.

Pattern Blocks

Pattern blocks — tessellations, symmetry, area.

Angle Tool

Interactive angle tool — explore acute, right, obtuse angles.

Area & Perimeter Explorer

Explore area and perimeter of rectangles interactively.

Number Line Jump

Number line with jump arcs for skip counting and addition.

Part-Part-Whole

Part-part-whole model for addition and subtraction.

Lab de Condensadores: Intro

Explora cómo funciona un condensador en un circuito.

Kit de Circuitos CD: Lab Virtual

Laboratorio virtual completo de circuitos DC.

Scale (Balance)

Virtual balance scale — compare weights.

Newtons Second Law

Experiment with force, mass, and acceleration on a frictionless surface.

Kepler's Laws of Planetary Motion

Visualize elliptical orbits and area law for planetary motion.

Didax: Algebra Tiles

Algebra tiles for modeling expressions and equations.

Inclined Plane Forces

Decompose forces on an inclined plane with adjustable angle and friction.

Resultant of Forces

Add two force vectors and find the resultant graphically.

Didax: Money

Virtual coins and bills — counting money, making change.

Balanza Numérica

Equilibra la balanza con pesos — álgebra visual.

Ecuaciones Visuales

Resuelve ecuaciones con balanza interactiva.

Áreas de Figuras Planas

Calcula áreas de figuras planas interactivamente.

Gas Laws: Pressure-Volume

Explore Boyle's Law with an interactive piston and gas molecules.

Phase Change: Molecular View

Watch molecules transition between solid, liquid, and gas phases.

Intermolecular Attractions

Explore how molecular polarity affects intermolecular forces.

Diffusion and Osmosis

Simulate diffusion of molecules across a semipermeable membrane.

Circuit Simulator

Build and analyze DC/AC circuits with resistors, capacitors, inductors, and more.

Teorema de Pitágoras

Demostración visual del teorema de Pitágoras.

Ripple Tank Simulator

Visualize wave phenomena: interference, diffraction, and reflection in 2D.

CalcPlot3D: Graficador 3D

Visualizador 3D de cálculo multivariable — grafica superficies, campos vectoriales, curvas en el espacio, ecuaciones diferenciales. Financiado por la NSF. Ideal para Cálculo III y Álgebra Lineal.

2D Electromagnetic Simulation

Visualize electric and magnetic fields in 2D with interactive charges.

Formas de la Molécula: Intro

Introducción a la geometría molecular.

Bacterial Identification Lab

Use lab techniques to identify unknown bacterial samples.

GNU Octave Online

Free online MATLAB-compatible environment. Run Octave code in your browser — matrices, plotting, signal processing, numerical methods. No installation needed.

Human Body Map

Interactive anatomy explorer with organ systems overlay.

Probability Simulator

Run experiments with coins, dice, and spinners. Visualize distributions.

Symbolab: Resolvedor de Matemáticas

Resolvedor paso a paso — ecuaciones, derivadas, integrales, límites, matrices, trigonometría. Muestra cada paso de la solución con explicaciones.

GeoGebra CAS Calculator

Computer Algebra System — solve equations, factor, expand symbolically.

GeoGebra Scientific Calculator

Full scientific calculator with fraction, trig, and stats functions.

Base Ten Blocks

Explore place value with interactive base-10 blocks. Drag and drop ones, tens, hundreds, and thousands.

Algebra Tiles

Model algebraic expressions and equations with virtual algebra tiles.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Pattern Blocks

Create geometric patterns and explore symmetry with colorful pattern blocks.

Masas y Resortes: Intro

Intro al movimiento armónico con masas y resortes.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Number Frames

Organize counters in frames of 5, 10, and 20 to develop number sense.

Geoboard

Stretch bands around pegs to form shapes and explore area, perimeter, and angles.

Number Line

Jump, slide, and bounce along a number line to model addition and subtraction.

Money Pieces

Count and make change with US coins and bills in an interactive workspace.

Vernier Caliper Simulator

Practice reading a vernier caliper with interactive jaws and scale.

Micrometer Screw Gauge

Learn to read a micrometer with interactive thimble and anvil.

Free Body Diagram

Draw and analyze free body diagrams with interactive force arrows.

DC Motor Model

Explore how a DC motor works with interactive coil, magnets, and commutator.

Bohr Model of the Atom

Visualize electron energy levels and photon emission in the Bohr model.

Virtual Dice Roller

Roll customizable dice for probability experiments. Supports multiple dice and sides.

Fraction Wall

Compare fractions visually using a fraction wall diagram.

Virtual Lab: Stoichiometry

Perform stoichiometry experiments in a virtual chemistry lab. Mix solutions and measure results.

Equilibrium: Le Chatelier

Explore how changes in concentration, temperature, and pressure affect chemical equilibrium.

Ajuste de Curvas

Ajusta curvas polinomiales a datos experimentales.

Seterra: World Countries

Interactive map quiz — identify all countries of the world by clicking on a map.

Seterra: South America

Learn all South American countries by clicking on an interactive map.

Seterra: Africa

Learn African countries geography with interactive map quizzes.

Seterra: World Capitals

Match world capitals to their countries on an interactive map.

Chronas: Interactive World History Atlas

Explore world history on an interactive map — browse events, civilizations, and rulers by era.

TimelineJS: Create Timelines

Open-source tool to create beautiful interactive timelines from a Google Spreadsheet.

HistoryMaps: Ancient Civilizations

Explore the rise and fall of ancient civilizations on interactive maps with timelines.

VisuAlgo: Sorting Algorithms

Visualize how sorting algorithms work step by step — bubble, merge, quick, insertion sort.

MusicTheory.net: Ear Training

Train your ear to identify intervals, scales, and chords with audio exercises.

Chrome Music Lab: Spectrogram

See the frequency spectrum of sounds in real time using your microphone.

Mars Rover Game

Mars Rover drivers wanted! Search for water as your rover climbs up and down hills to explore Mars. Learn about Mars geology, rover navigation, and the search for water on the Red Planet.

InnerBody: Human Anatomy

Interactive 2D/3D human anatomy explorer with detailed system views.

Youglish: English Pronunciation in Context

Search any English word and see it used in real YouTube videos with subtitles.

Gapminder Tools

Explore world development data with interactive bubble charts — income, health, population.

Sistema de Poleas

Simulación de poleas fijas y móviles. Ventaja mecánica.

El Carrusel

Fuerzas en un carrusel: centrípeta, normal, peso.

Péndulos Acoplados

Dos péndulos acoplados — modos normales de oscilación.

Ondas Estacionarias (Reflexión)

Ondas estacionarias en una cuerda — nodos y antinodos.

Efecto Doppler

Cambio de frecuencia por movimiento relativo fuente-observador.

Motor Eléctrico

Funcionamiento de un motor eléctrico de corriente continua.

Brownian Motion Simulation

Watch random molecular collisions cause visible particle jitter.

Refracción (Huygens)

Principio de Huygens aplicado a la refracción.

Imagen en Lente Convergente

Formación de imágenes con lentes convergentes.

Efecto Fotoeléctrico

Efecto fotoeléctrico — energía de fotones y electrones.

Lissajous Figures

Create beautiful patterns from two perpendicular harmonic oscillations.

Dispersión de Rutherford

Experimento de Rutherford — dispersión de partículas alfa.

Resonance

Driven oscillator resonance peak and response amplitude.

Newton's Laws of Motion

Force, mass, friction, and acceleration in cart dynamics.

Gravitational Field

Field vectors and potential landscape around gravitating masses.

Variational Method

Variational method for approximating ground state energy.

Electric Field Lines

Visualize fields from point charges.

Movimiento Rectilíneo

Simulación de MRU y MRUA con gráficas.

Campo Eléctrico

Visualización de campo eléctrico de cargas puntuales.

Iodide-Persulfate Clock Reaction

Virtual kinetics experiment — measure reaction rates of the iodine clock.

Bleaching Food Dyes Kinetics

Study the kinetics of bleaching food dyes — reaction rates and orders.

Chromatic Aberration

Different wavelengths focus at different image distances.

Reacciones Químicas (UNAM)

Tipos de reacciones: síntesis, descomposición, sustitución, combustión.

Phase Transitions

Heating curve with melting and boiling plateaus.

Photosynthesis (BioInteractive)

Click & Learn: Explore the light reactions and Calvin cycle of photosynthesis.

Cell Signaling (BioInteractive)

Interactive exploration of cell signaling pathways and signal transduction.

Human Evolution (BioInteractive)

Explore the evidence for human evolution — fossils, DNA, anatomy.

Hydrogen-like Atom

Toy radial probability and shell scaling with n and Z.

Transmission Coefficient

Barrier transmission versus energy and width.

Probability Current

Flow of probability from phase gradients.

Avoided Crossing

Coupling opens a gap where levels would cross.

Cell Defense: Immune System

Tower defense game about the immune system — white blood cells vs pathogens.

Evolution Lab

Explore natural selection, adaptation, and evolutionary mechanisms.

Meiosis (UNAM)

Fases de la meiosis y variabilidad genética.

Moiré Patterns

Large fringes from overlapping line grids.

Fotosíntesis (UNAM)

Fase luminosa y ciclo de Calvin — fotosíntesis interactiva.

GeoGebra: Graphing Calculator

Free online graphing calculator — plot functions, create sliders, animate.

Desmos: Scientific Calculator

Free scientific calculator with history and variable storage.

Desmos: Matrix Calculator

Matrix operations: multiplication, determinants, eigenvalues, inverses.

Polypad: Patio de Juegos Matemático

Los mejores manipulativos virtuales del mundo — polígonos, fracciones, álgebra tiles, números, geometría, probabilidad y más. Herramienta todo-en-uno.

Fraction Bars

Interactive fraction bars — compare, add, subtract fractions visually.

Fraction Strips

Fraction strips for comparing and ordering fractions.

Fraction Circles

Fraction circles — visualize parts of a whole.

Laboratorio Electromagnético de Faraday

Experimenta con transformadores, generadores y electroimanes.

Equivalent Fractions (Circles)

Find equivalent fractions using circle models.

Centro y Variabilidad

Explora media, mediana y variabilidad de datos.

Percentage Strips

Percentage strips — fractions, decimals, and percents.

Geoboard

Virtual geoboard — create shapes with rubber bands on a peg grid.

Tangram

Classic tangram puzzle — build shapes from 7 pieces.

Base Ten Blocks

Virtual base ten blocks — ones, tens, hundreds, thousands.

Efecto Invernadero

Simula el efecto invernadero y el cambio climático.

Place Value Disks

Place value disks — model addition, subtraction with regrouping.

Place Value Chart

Interactive place value chart.

Number Line

Interactive number line — drag, zoom, mark points.

Hundreds Chart

Interactive hundreds chart — color, count, find patterns.

Abacus

Virtual abacus for counting and place value.

Rekenrek

Rekenrek (arithmetic rack) — build number sense.

Array

Array builder — visualize multiplication as area.

Times Table

Interactive times table — drill multiplication facts.

Multiplication Chart

Full multiplication chart with highlighting.

Number Bonds

Number bonds — part-part-whole relationships.

Algebra Tiles

Virtual algebra tiles — model expressions, factor polynomials.

Coordinate Graph

Coordinate plane — plot points, graph functions.

Dice

Virtual dice — roll 1-6 dice, record results.

Coin Flip

Virtual coin flip — heads or tails with counter.

Bar Graph Builder

Build bar graphs from data.

Pie Chart Builder

Build pie charts interactively.

Modelo de Áreas: Introducción

Introducción a la multiplicación con áreas.

Ruler (Centimeters)

Virtual ruler for measuring in centimeters.

Thermometer

Virtual thermometer — Celsius and Fahrenheit.

Polaridad de la Molécula

Explora la polaridad molecular y el momento dipolar.

Didax: Base Ten Blocks

Drag and snap base ten blocks — model numbers, addition, subtraction.

Cambio de Expresiones

Simplifica expresiones algebraicas con fichas.

Didax: Fraction Tiles

Interactive fraction tiles for comparing and computing fractions.

Graficando Rectas: Pendiente-Intersección

Grafica rectas en forma pendiente-intersección.

Didax: Two Color Counters

Two-color counters for modeling addition, subtraction, integers.

Generador de Funciones: Intro

Introducción a funciones con máquinas de entrada/salida.

Didax: Pattern Blocks

Virtual pattern blocks for geometry and tessellation.

Pista de Proporciones

Explora razones y proporciones jugando.

Didax: Unifix Cubes

Virtual Unifix cubes — counting, patterns, grouping.

Razón Unitaria

Compara precios unitarios y razones.

Haz un Diez

Suma números formando decenas.

Didax: Color Tiles

Color tiles for area, patterns, and sorting.

Estados de la Materia: Intro

Intro a sólidos, líquidos y gases a nivel molecular.

Interacciones Atómicas

Explora fuerzas entre átomos y el potencial de Lennard-Jones.

Cargas y Campos

Coloca cargas y visualiza el campo eléctrico.

Dispersión de Rutherford

Simula el experimento de Rutherford con partículas alfa.

Fracciones Equivalentes

Encuentra fracciones equivalentes de forma visual.

Isótopos y Masa Atómica

Explora isótopos y calcula masa atómica promedio.

Perímetros

Calcula perímetros de figuras geométricas.

Tour Trigonométrico

Explora seno, coseno y tangente en el círculo unitario.

Reflexión y Refracción

Explora la ley de Snell con rayos de luz interactivos.

Coordenadas Cartesianas

Practica el plano cartesiano — localiza puntos.

Aritmética

Practica multiplicación, división y factorización.

Simetría Axial

Construye figuras simétricas en una cuadrícula.

Ley de Hooke

Estira resortes y explora la constante elástica.

Moléculas y Luz

Observa cómo las moléculas interactúan con fotones.

Ángulos Internos de Polígonos

Explora la suma de ángulos internos de polígonos.

Regresión de Mínimos Cuadrados

Ajusta rectas a datos usando mínimos cuadrados.

Forma de la Molécula

Explora geometrías moleculares y VSEPR.

Onda en una Cuerda

Genera ondas en una cuerda con extremos fijos o libres.

Direction Field Plotter

Plot direction fields and solution curves for first-order ODEs. Visualize how solutions behave — ideal for Differential Equations courses.

Visión del Color

Explora cómo se mezclan los colores RGB de luz.

Parejas de Fracciones

Empareja fracciones equivalentes en un juego.

CoCalc: Collaborative Computation

Cloud-based platform for Jupyter notebooks, SageMath, LaTeX, R, and Python. Collaborative math and science computing environment.

Ley de Equilibrio

Equilibra objetos en una balanza — momentos de fuerza.

Soluciones Ácido-Base

Investiga ácidos, bases y pH a nivel molecular.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Fricción

Explora fricción estática y cinética con fuerzas.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Construye una Fracción

Construye fracciones con piezas interactivas.

Fracciones: Igualdades

Encuentra fracciones equivalentes visualmente.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Fracciones: Números Mixtos

Explora fracciones impropias y números mixtos.

Formas y Cambios de Energía

Observa transferencias de energía entre objetos.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Travoltaje

Genera electricidad estática frotando los pies.

Lab de Fuerza de Gravedad

Mide la fuerza gravitacional entre dos masas.

Globos y Electricidad Estática

Frota un globo y observa cargas estáticas.

Lab de la Ley de Beer

Explora absorbancia, transmitancia y concentración.

Molaridad

Calcula molaridad de soluciones interactivamente.

Ley de Ohm

Explora V = IR con voltaje, corriente y resistencia.

Resistencia en un Alambre

Explora cómo longitud y área afectan la resistencia.

Construye un Átomo

Construye átomos con protones, neutrones y electrones.

Difusión

Visualiza la difusión de partículas a nivel molecular.

Gases: Intro

Intro a las propiedades de los gases ideales.

Propiedades de los Gases

Explora presión, volumen y temperatura de gases.

Espectro de Cuerpo Negro

Visualiza el espectro de radiación según temperatura.

Escala de pH: Fundamentos

Introducción al pH con soluciones comunes.

Fuerza de Gravedad: Intro

Introducción a la ley de gravitación universal.

Seterra: European Countries

Identify all European countries on an interactive map quiz.

Scratch: Create Stories & Games

Visual block-based programming environment. Create interactive stories, games, and animations.

Explore Mars: A Mars Rover Game

Drive around the Red Planet and gather information in this fun coding game! Control a Mars rover, navigate terrain, and collect data — perfect for learning about Mars exploration and basic programming concepts.

Blockly Games: Maze

Learn programming concepts by guiding a character through mazes using visual blocks.

Helios: How the Sun Makes Energy

Interactive game about stellar nucleosynthesis. Learn how the Sun produces energy through nuclear fusion — match protons to create helium and release energy. Great for understanding stellar physics.

Blockly Games: Turtle

Draw shapes and patterns by programming a turtle with visual blocks.

Ocean Currents: Go With the Flow

Use heat and salt to navigate a submarine through ocean currents to find treasure. Learn about thermohaline circulation, density, and how temperature and salinity drive ocean currents.

VisuAlgo: Graph Traversal

Visualize BFS, DFS, and shortest path algorithms on interactive graphs.

DSN Uplink-Downlink: Deep Space Network Game

Help NASA's big antennas gather data from spacecraft across the solar system. Learn about the Deep Space Network, radio communications, signal processing, and how we communicate with distant spacecraft.

VisuAlgo: Binary Search Tree

Interactive binary search tree — insert, delete, search with step-by-step animation.

Solar System Switch-a-Roo

Put clues together to identify planets and moons in our solar system. Interactive quiz game that teaches planetary science, orbital mechanics, and the unique characteristics of each celestial body.

Regex101: Regular Expressions

Build and test regular expressions with real-time explanation and match highlighting.

CubeSat Builder: Build a NASA Spacecraft!

Design and build your own CubeSat spacecraft! Choose components like solar panels, antennas, and instruments. Learn about satellite engineering, power systems, and mission design.

Python Tutor: Visualize Code

Step through Python, Java, C, and JavaScript code execution visually.

Snap it! An Eclipse Photo Adventure

Help the Traveler snap photos of a solar eclipse! Learn about the geometry of eclipses, the Sun-Earth-Moon alignment, umbra and penumbra, and safe solar observation techniques.

MusicTheory.net: Lessons

Interactive music theory lessons — staff, clefs, notes, scales, intervals, chords.

Relay: Laser-Based Space Communications

Learn about laser-based space communications (optical communications) in this interactive game. Understand how NASA is developing faster data transmission using lasers instead of radio waves.

Your Name in Landsat

Spell out your name using real satellite imagery captured by NASA's Landsat Earth observation satellites! Each letter is formed by geographic features visible from space. Learn about remote sensing and Earth observation.

Chrome Music Lab: Song Maker

Create and share songs using a simple grid-based music maker.

Name That Nebula (Hubble)

Can you identify famous nebulae captured by the Hubble Space Telescope? Test your knowledge of deep-space objects including the Crab Nebula, Eagle Nebula, and more.

Chrome Music Lab: Rhythm

Explore rhythm patterns with an interactive visual drum machine.

What Did Hubble See on Your Birthday?

Discover what astronomical image the Hubble Space Telescope captured on your birthday! Enter your birth date and see a stunning deep-space photograph with scientific context.

Chrome Music Lab: Harmonics

Visualize sound waves and harmonics with interactive oscilloscope.

Climate Time Machine

See into the past and ahead to the future with NASA's Climate Time Machine. Visualize changes in sea ice, sea level, carbon emissions, and global temperature over time.

Coral Bleaching Simulator

Interactive simulation showing how environmental conditions affect coral reefs. Adjust temperature, pollution, and other factors to see their impact on coral health and marine ecosystems.

Roman Space Observer Game

Catch as many astrophysical objects and phenomena as possible! Learn about the Nancy Grace Roman Space Telescope and the types of cosmic objects it will study.

BioDigital Human: 3D Anatomy

Explore the human body in 3D — skeletal, muscular, circulatory systems.

Space Lotería

Play a space-themed version of the classic Mexican game Lotería! Each card features a different space object or concept — from black holes to nebulae. Fun cultural + science mashup.

NASA Home and City

Trace space technology back to your daily life! Explore an interactive city and home to discover how NASA innovations are used in everyday products and technologies.

Conjuguemos: Spanish Verb Practice

Practice Spanish verb conjugations with interactive exercises and instant feedback.

Resultante de Fuerzas

Composición vectorial de fuerzas. Suma de vectores gráfica.

Descomposición de Fuerzas

Descomponer una fuerza en componentes ortogonales.

Doppler Effect Simulation

Visualize the Doppler effect with a moving source. See wavefronts compress and stretch.

Double Slit Experiment

Interactive Young's double slit experiment showing interference patterns.

La Palanca

Ley de la palanca y equilibrio de momentos.

Standing Waves Simulation

Create standing wave patterns with adjustable frequency and boundary conditions.

Plano Inclinado

Descomposición de fuerzas en un plano inclinado con fricción.

Ripple Tank Simulation

2D wave phenomena — interference, diffraction, and reflection.

Segunda Ley de Newton

F=ma — relación entre fuerza, masa y aceleración.

Fourier Synthesis

Build complex waveforms by adding harmonics. See Fourier decomposition.

Movimiento de Proyectiles

Tiro parabólico con resistencia del aire opcional.

Chladni Patterns

Visualize 2D vibration patterns on a plate at different resonant frequencies.

Colisiones

Choques elásticos e inelásticos en 1D. Conservación de momento.

Beats and Superposition

Hear and see beat frequency from two interfering sound waves.

Cuna de Newton

Simulación de la cuna de Newton (péndulo de Newton).

Sonic Boom / Mach Cone

Visualize shock waves and Mach cones from supersonic sources.

Movimiento Circular

MCU — velocidad angular, aceleración centrípeta, fuerza centrípeta.

Newton's Cradle

Classic Newton's cradle demonstrating conservation of momentum and energy.

Double Pendulum (Chaos)

Explore chaotic motion with a double pendulum — sensitive to initial conditions.

Rizo (Looping)

Física de un rizo vertical: velocidad mínima, fuerzas.

Coupled Oscillators

Two masses connected by springs showing normal modes and energy transfer.

Gravitación

Ley de gravitación universal de Newton. Órbitas y campos.

Primera Ley de Kepler

Órbitas elípticas — visualización de la 1ª ley de Kepler.

Atwood Machine

Classic Atwood machine with adjustable masses and real-time calculations.

Segunda Ley de Kepler

Ley de áreas — la línea Sol-planeta barre áreas iguales.

Coriolis Force

Visualize the Coriolis effect on a rotating reference frame.

Gyroscope / Precession

Explore gyroscopic precession with adjustable spin and torque.

Fuerza de Empuje (Arquímedes)

Principio de Arquímedes — flotación y empuje.

N-Body Gravity Simulation

Place multiple masses and watch gravitational interactions — orbits, collisions, chaos.

Lagrange Points

Explore the 5 Lagrange points in a two-body gravitational system.

Péndulo Elástico

Oscilación de masa-resorte. MAS, energía, amortiguamiento.

Gravitational Slingshot

Simulate a spacecraft using planetary gravity assists to change velocity.

Gravitational Lensing

See how massive objects bend light — simulating Einstein's gravitational lensing.

Resonancia

Oscilaciones forzadas y resonancia. Amplitud vs frecuencia.

Tidal Forces

Visualize how differential gravity causes tidal bulges on a body.

Batidos

Interferencia de dos ondas de frecuencias similares — pulsaciones.

Lorentz Force on Charged Particle

See how electric and magnetic fields deflect a moving charge.

Ondas Estacionarias Longitudinales

Ondas estacionarias en tubos — abiertos y cerrados.

Biot-Savart Law

Visualize the magnetic field generated by current-carrying wires.

Interferencia de Ondas

Interferencia constructiva y destructiva de dos fuentes.

RC Circuit

Charge and discharge a capacitor through a resistor — see voltage/current curves.

RLC Circuit / Resonance

Explore resonance in an RLC circuit with adjustable components.

Campo Magnético (Imán)

Líneas de campo magnético de un imán de barra.

Total Internal Reflection

Explore the critical angle and total internal reflection in optical fibers.

Campo Magnético (Cable)

Campo magnético alrededor de un conductor recto.

Prism Light Dispersion

Split white light into its spectrum through a prism.

Fuerza de Lorentz

Fuerza magnética sobre una carga en movimiento.

Concave & Convex Mirrors

Ray diagrams for concave and convex mirrors with movable objects.

Rayleigh Scattering

Why is the sky blue? See how wavelength-dependent scattering works.

Generador Eléctrico

Funcionamiento de un generador de corriente alterna.

Ley de Ohm

V = IR — simulación interactiva de circuitos.

Carnot Engine

Step through the Carnot cycle on a PV diagram — isotherms and adiabats.

Resistencias (Serie/Paralelo)

Combinación de resistencias en serie y paralelo.

Bernoulli's Principle

Visualize pressure and velocity changes in fluid flow through varying cross-sections.

Potenciómetro

Divisor de tensión — potenciómetro.

Blackbody Radiation

Explore Planck's law — see how the emission spectrum shifts with temperature.

Circuitos de CA

Corriente alterna con R, L, C. Impedancia, fase.

Quantum Tunneling

Watch a particle tunnel through a potential barrier — adjustable energy and width.

Photoelectric Effect

Shine light on a metal surface and observe electron emission — Einstein's theory.

Circuito Oscilante

Oscilaciones electromagnéticas LC.

Stern-Gerlach Experiment

Simulate spin measurement of silver atoms in an inhomogeneous magnetic field.

Onda Electromagnética

Propagación de una onda EM — campos E y B perpendiculares.

Particle in a Box

Visualize quantum energy levels and wavefunctions in an infinite potential well.

Refracción (Ley de Snell)

Ley de Snell — refracción en la interfaz de dos medios.

Schrödinger Equation (1D)

Solve and visualize the time-dependent Schrödinger equation.

Hydrogen Orbitals

Visualize electron probability distributions for hydrogen atom orbitals.

Compton Scattering

Simulate X-ray photon scattering off electrons — wavelength shift.

Telescopio Refractor

Funcionamiento óptico de un telescopio refractor.

Uncertainty Principle

Interactive visualization of Heisenberg's uncertainty principle — Δx·Δp ≥ ℏ/2.

Doble Rendija

Experimento de Young — patrón de interferencia.

Time Dilation

Visualize how time slows at relativistic speeds — light clocks and muon decay.

Rendija Simple

Difracción por una rendija — patrón de Fraunhofer.

Twin Paradox

Interactive twin paradox — compare aging of twins at different velocities.

Spacetime Diagrams

Draw and explore Minkowski spacetime diagrams with worldlines and light cones.

Procesos Termodinámicos

Procesos isotérmicos, adiabáticos, isobáricos, isocóricos.

Lorenz Attractor

Visualize the classic chaotic Lorenz attractor in 3D.

Ciclo de Carnot

Motor térmico ideal — ciclo de Carnot con diagramas PV.

Mandelbrot Fractal Explorer

Zoom into the Mandelbrot set and explore infinite fractal complexity.

Cellular Automata

Explore Conway's Game of Life and other cellular automata rules.

Modelo de Bohr

Modelo atómico de Bohr — niveles de energía y transiciones.

Difracción de Bragg

Reflexión de Bragg — difracción de rayos X en cristales.

Single-Slit Diffraction

Diffraction envelope and fringe spreading through one slit.

Ley de Desintegración

Desintegración radiactiva — vida media y constante de decaimiento.

Cadenas de Desintegración

Series radiactivas — cadenas de desintegración nuclear.

Dilatación del Tiempo

Relatividad especial — dilatación temporal.

Constructive & Destructive Interference

Phase-dependent addition of two same-frequency waves.

Single Photon Lab

Explore single-photon experiments: beam splitters, detectors, and quantum measurement.

Wave Polarization

Linear, circular, and elliptical polarization states.

Quantum Bomb Detection

Elitzur-Vaidman bomb tester — interaction-free measurement.

Huygens Principle

Secondary wavelets form advancing wavefronts through apertures.

Eigenvectors and Eigenvalues

Interactive visualization of eigenvectors and eigenvalues for spin operators.

Mach-Zehnder Interferometer

Single-photon interference in a Mach-Zehnder interferometer.

Projectile Motion (PS)

Launch projectiles with adjustable angle and velocity.

Entanglement

Explore quantum entanglement and Bell state measurements.

Inclined Plane (PS)

Force decomposition and friction on a ramp.

Quantum Cryptography (BBM92)

BBM92 quantum key distribution protocol simulation.

Bloch Sphere

Interactive Bloch sphere — visualize qubit states on the Bloch sphere.

Circular Motion

Velocity and centripetal acceleration in uniform circular motion.

Quantum Eraser

Quantum eraser experiment — which-path information and interference.

Centripetal Force

Radial acceleration and vector relationships in circular motion.

Quantum Oscillator

Quantum harmonic oscillator — energy levels and wavefunctions.

Center of Mass

Weighted average position of a multi-mass system.

1D Particle in a Box

Infinite square well — energy eigenvalues and wavefunctions.

Gaussian Wave Packet

Time evolution of a Gaussian wave packet — dispersion and group velocity.

Forced Oscillations

Driven response, resonance, and phase lag.

Superposition States

Superposition states in an infinite well — time evolution.

Spring-Mass Oscillator

Hooke's law with damping.

Spin Precession

Spin precession in a magnetic field — Larmor precession.

Conservation of Momentum

Collision outcomes under momentum conservation and restitution.

Fermions and Bosons

Exchange symmetry — fermionic vs bosonic wavefunctions.

Inelastic Collision (1D)

Momentum conserved while kinetic energy decreases.

Density Matrix

Density matrix for mixed and pure states.

Elastic Collisions (2D)

Momentum and energy conservation in 2D collisions.

Probability Current

Probability current density in quantum tunneling.

Lever & Pulley

Mechanical advantage from lever arms and pulley geometry.

Delayed Choice Experiments

Wheeler delayed choice experiment — wave-particle duality.

Kepler's Orbits

Elliptical orbits with changing speed and equal-area sweeps.

Photons, Particles & Waves

Wave-particle duality — single photon double slit experiment.

The Finite Well

Finite vs infinite potential well — bound states comparison.

Escape Velocity

Launch speed threshold for bound and unbound trajectories.

Hohmann Transfer Orbit

Two-burn transfer ellipse between circular orbits.

Tabla Periódica Interactiva

Tabla periódica interactiva con datos de cada elemento.

Magnetic Field Lines

Dipole field lines and field-strength regions around a magnet.

Suma de Vectores

Suma gráfica y analítica de vectores 2D.

Ondas Transversales

Simulación de propagación de ondas transversales.

EM Wave Propagation

Coupled oscillating E and B fields traveling through space.

Ley de Hooke

Simulación de la ley de Hooke — fuerza elástica.

Lenz's Law

Induced currents oppose changes in magnetic flux.

Cyclotron Motion

Circular motion of a charged particle in a uniform magnetic field.

Inclined Plane Simulation

Interactive inclined plane — forces, friction, and acceleration.

Ohm's Law Circuit

Voltage, resistance, current, and power in a simple circuit.

Projectile Motion Simulation

Launch projectiles and explore trajectory, range, and max height.

Kirchhoff's Laws

Current splitting and loop voltage balance in a branch circuit.

Electrostatics Simulation

Explore electric charges, forces, and fields interactively.

AC vs DC

Time-varying AC compared with steady DC across a load.

Fisicalab: Cinemática

Explicaciones interactivas de cinemática — MRU, MRUA, caída libre.

Snell's Law (Refraction)

Light bending at material boundaries.

Fisicalab: Dinámica

Leyes de Newton, rozamiento, plano inclinado — teoría y ejercicios.

Thin Lens Simulation

Ray tracing and image formation with thin lenses.

Fisicalab: Energía

Trabajo, energía cinética, potencial, conservación de energía.

Brewster's Angle

P-polarized reflection vanishes at a special incidence angle.

Fresnel Diffraction

Near-field diffraction pattern from phase summation.

Oxígeno: Materia y Energía (UNAM)

Objeto interactivo de la UNAM sobre el oxígeno, materia, nomenclatura y reacciones.

Thin Film Interference

Reflected color varies with film thickness and angle.

Tabla Periódica Interactiva (UNAM)

Tabla periódica interactiva con propiedades, historia y configuración electrónica.

Optical Fiber Light Guide

Guiding by total internal reflection in a core-cladding fiber.

Enlace Químico (UNAM)

Tipos de enlace químico: iónico, covalente, metálico.

Ideal Gas Law

Particle box and piston illustrating PV = nRT.

Heat Conduction

Temperature diffusion through a rod.

Estequiometría (UNAM)

Cálculos estequiométricos: mol, masa molar, reactivo limitante.

Entropy Visualization

Mixing and multiplicity as a visual entropy proxy.

Ácidos y Bases (UNAM)

pH, indicadores, teorías ácido-base.

Laminar vs Turbulent Flow

Ordered flow transitioning toward turbulent mixing.

ChemReax: Chemical Reaction Simulator

Interactive chemical reaction balancer and simulator. Visualize reactants, products, and stoichiometry.

Venturi Effect

Throat acceleration and pressure drop in a constriction.

Convection Cells

Buoyancy-driven circulation from heated boundaries.

Thermal Expansion

Linear expansion of solids with temperature.

Archimedes' Principle

Buoyancy from displaced fluid weight.

The Eukaryotic Cell (BioInteractive)

Explore organelles and structures of eukaryotic cells.

Maxwell-Boltzmann Distribution

Gas particle speed distribution.

Quantum Superposition

Interference from combining quantum amplitudes.

Genetic Drift (BioInteractive)

Simulate genetic drift in small populations — founder effect and bottleneck.

Electron Diffraction

Matter-wave interference pattern from electron paths.

DNA Replication (BioInteractive)

Step-by-step animation of DNA replication: helicase, primase, polymerase.

Bloch Sphere

Qubit state visualization on a Bloch sphere projection.

Immunology (BioInteractive)

How the immune system works — innate and adaptive immunity.

Band Gap Visualization

Valence-conduction bands and energy gap visualization.

Ecology: Coral Reef Ecosystem

Explore biodiversity, trophic levels, and ecological interactions in coral reefs.

Population Ecology Simulator

Model population growth: exponential, logistic, carrying capacity, density dependence.

Quantum Harmonic Oscillator

Discrete oscillator levels and wavefunctions.

Community Ecology Simulator

Predator-prey dynamics, competition, and species interactions.

Aharonov-Bohm Effect

Phase-shifted interference from confined magnetic flux.

Behavioral Ecology Simulator

Simulate animal behavior: foraging, mating strategies, territoriality.

de Broglie Wavelength

Matter wavelength versus momentum with fringe preview.

Conservation Ecology Simulator

Habitat fragmentation, species extinction, and conservation strategies.

Photon Polarization

Polarization state and analyzer transmission.

Biodiversity Ecology Simulator

Species richness, diversity indices, and island biogeography.

Population Genetics Simulator

Hardy-Weinberg equilibrium, genetic drift, selection, migration.

Quantum Jump

Two-level state switching and jump timeline.

Natural Selection Simulator

Directional, stabilizing, and disruptive selection on phenotypes.

Cell Respiration Game

Interactive game about cellular respiration: glycolysis, Krebs cycle, ETC.

Photosynthesis Game

Learn the stages of photosynthesis in this interactive game.

Landau-Zener Transition

Non-adiabatic transitions through avoided crossings.

DNA Game

Build DNA molecules — match nucleotide bases and build the double helix.

Open Quantum System (Decoherence)

Environmental coupling damps quantum coherence.

Quantum Tomography

Reconstruct qubit state from basis measurements.

Quantum Contextuality

Toy context-dependent measurement witness.

Mitosis Mover

Drag and drop stages of mitosis in the correct order.

Meiosis Game

Interactive game on meiosis — chromosome separation and crossing over.

Fano Resonance

Asymmetric resonance from path interference.

Ecology Game: Food Webs

Build food webs and explore energy flow through ecosystems.

Quantum Heat Engine

Toy heat-engine cycle with quantum working system.

Genetics: Punnett Square

Practice Punnett squares for monohybrid and dihybrid crosses.

Length Contraction

Moving lengths contract along the motion direction.

Body Systems Game

Learn about human body organ systems interactively.

Lorentz Transformation

Transform events between inertial frames.

PraxiLabs: Virtual Science Labs

Collection of 3D virtual labs for biology, chemistry, and physics. Realistic lab simulations.

Light Cone Visualization

Causal structure and spacelike/timelike separation.

Célula Animal (UNAM)

Estructura y orgánulos de la célula animal interactiva.

Logistic Map / Bifurcation

Period-doubling route to chaos in a nonlinear map.

Célula Vegetal (UNAM)

Estructura de la célula vegetal — cloroplastos, pared celular, vacuola.

Percolation Simulation

Spanning clusters and threshold behavior.

Mitosis (UNAM)

Fases de la mitosis con animaciones interactivas.

Flocking / Boids Algorithm

Emergent flocking from local motion rules.

Transporte de Membrana

Simula el transporte activo y pasivo a través de membranas celulares.

Lanzamiento de Moneda Cuántica

Explora la superposición cuántica con un lanzamiento de moneda.

Pares de Números

Explora combinaciones de números que suman un total dado.

Modelos del Átomo de Hidrógeno

Compara modelos atómicos: Bohr, de Broglie, Schrödinger.

Flotabilidad: Intro

Explora por qué los objetos flotan o se hunden.

Generador

Genera electricidad con un imán y una bobina.

Imán y Brújula

Observa cómo un imán afecta una brújula.

Distribuciones de Muestreo

Explora distribuciones de muestreo con datos de proyectiles.

Laboratorio de Datos de Proyectiles

Analiza datos de lanzamiento de proyectiles estadísticamente.

Leyes de Kepler

Simula órbitas planetarias y las tres leyes de Kepler.

Ondas Sonoras

Visualiza ondas de sonido con frecuencia y amplitud ajustables.

Cuadrilátero

Explora propiedades de cuadriláteros interactivamente.

Protractor

Virtual protractor — measure and draw angles.

Mi Sistema Solar

Crea tu propio sistema solar con múltiples cuerpos.

Graficador para Cálculo

Dibuja f(x) y observa f'(x) y ∫f(x)dx en tiempo real.

Comparar Números

Compara cantidades usando representaciones visuales.

Pentomino

Pentomino puzzle — fit all 12 pentominoes on a grid.

Juego de Números

Explora números del 1 al 20 con representaciones visuales.

Óptica Geométrica: Intro

Explora lentes y espejos con trazado de rayos simplificado.

Óptica Geométrica

Laboratorio completo de óptica geométrica con lentes y espejos.

Densidad

Explora masa, volumen y densidad con objetos flotantes.

Kit de Circuitos: CA

Construye circuitos de corriente alterna con capacitores e inductores.

Kit de Circuitos CA: Lab Virtual

Laboratorio virtual completo de circuitos AC.

Fourier: Creando Ondas

Construye ondas sumando armónicos con series de Fourier.

Recta Numérica: Distancia

Explora distancia y valor absoluto en la recta numérica.

Razón y Proporción

Explora razones y proporciones con representaciones visuales.

Laboratorio de Colisiones

Investiga colisiones elásticas e inelásticas en 1D y 2D.

Recta Numérica: Operaciones

Suma y resta en la recta numérica.

Masas y Resortes

Explora la ley de Hooke y el movimiento armónico simple.

Explorador de Igualdades: Dos Variables

Resuelve ecuaciones con dos variables visualmente.

Explorador de Igualdades: Intro

Introducción visual al concepto de igualdad.

Spinner

Probability spinner — customize sections and spin.

Modelo de Áreas: Álgebra

Multiplica expresiones algebraicas con el modelo de áreas.

Estadística Descriptiva

Media, mediana, moda — estadística interactiva.

Laboratorio de Hidrostática

Presión Hidrostática: Relación entre profundidad y densidad. Principio de Pascal: La prensa hidráulica. Principio de Arquímedes: Flotabilidad.

Graficando Cuadráticas

Grafica funciones cuadráticas en forma estándar y vértice.

Recta Numérica: Enteros

Explora números enteros positivos y negativos en la recta.

Probabilidad de Plinko

Explora distribuciones de probabilidad con la máquina de Galton.

Reactivos, Productos y Sobrantes

Identifica reactivo limitante y productos en reacciones.

Adición de Vectores: Ecuaciones

Suma vectores algebraicamente con componentes.

ViewSpace: Explore the Universe

Explore the universe with interactives and videos from NASA, ESA, and other space agencies. Interactive visualizations of galaxies, nebulae, exoplanets, and cosmic phenomena.

Faraday's Law of Induction

Move a magnet through a coil and observe induced EMF and current.

Combinación RLC

Circuito RLC en serie — resonancia eléctrica.

Gas Ideal 3D

Simulación 3D de partículas de gas ideal. Distribución de velocidades.

Wave Reflection

Fixed, free, and partial boundary reflections and transmission.

Coulomb's Law

Inverse-square electric force between point charges.

Disoluciones (UNAM)

Concentración, dilución, propiedades coligativas.

Molecular Workbench (Concord)

Molecular dynamics simulator — model atoms, molecules, gases, and phase transitions at the atomic level.

Wave Packet

Localized quantum packet propagation and spreading.

Membrane Transport Simulator

Osmosis, diffusion, active transport across cell membranes.

Landau Levels

Magnetic-field quantized cyclotron energy levels.

Medición Cuántica

Explora cómo la medición afecta los estados cuánticos.

Flotabilidad

Investiga la flotabilidad con densidad y volumen.

Media: Distribuye y Equilibra

Explora el concepto de media distribuyendo y equilibrando.

Imanes y Electroimanes

Investiga campos magnéticos de imanes y electroimanes.

Construye un Núcleo

Construye núcleos atómicos y explora la estabilidad nuclear.

Modos Normales

Visualiza modos normales de oscilación en cadenas de masas.

Explorador de Igualdades

Resuelve ecuaciones usando una balanza interactiva.

Modelo de Áreas: Decimales

Multiplica decimales con el modelo de áreas.

Modelo de Áreas: Multiplicación

Aprende multiplicación con el modelo de áreas.