Principal Sponsors
Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
National Science Foundation
An independent federal agency created by Congress in 1950 to promote the progress of science.
King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
español Spanish
| Soluciones Ácido-Base | Acid-Base Solutions | Run Now |
| Radiación Alfa | Alpha Decay | Run Now |
| Aritmética | Arithmetic | Run Now |
| Interacciones Atomicas | Atomic Interactions | Run Now |
| Malabarismo | Balancing Act | Run Now |
| Balanceando Ecuaciones Químicas | Balancing Chemical Equations | Run Now |
| Globos y Electricidad Estática | Balloons and Static Electricity | Run Now |
| Globos y flotación | Balloons & Buoyancy | Run Now |
| Estructura de Bandas | Band Structure | Run Now |
| Ley de Ohm | Battery-Resistor Circuit | Run Now |
| Voltaje de batería | Battery Voltage | Run Now |
| Laboratorio de la Ley de Beer | Beer's Law Lab | Run Now |
| Torciendo la luz | Bending Light | Run Now |
| Desintegración Beta | Beta Decay | Run Now |
| Espectro del Cuerpo Negro | Blackbody Spectrum | Run Now |
| Estados Ligados Cuánticos | Quantum Bound States | Run Now |
| Crear una fracción | Build a Fraction | Run Now |
| Construye una molécula | Build a Molecule | Run Now |
| Construir un átomo | Build an Atom | Run Now |
| Flotabilidad | Buoyancy | Run Now |
| Graficador de Cálculo | Calculus Grapher | Run Now |
| Laboratorio de capacitores | Capacitor Lab | Run Now |
| Cargas y Campos | Charges and Fields | Run Now |
| Kit de construccion de circuitos (CA y CC) | Circuit Construction Kit (AC+DC) | Run Now |
| Kit de construccion de circuitos (CA y CC), Laboratorio Virtual | Circuit Construction Kit (AC+DC), Virtual Lab | Run Now |
| Kit de construccion de circuitos (sólo CC) | Circuit Construction Kit (DC Only) | Run Now |
| Kit de construccion de circuitos (sólo CC), Laboratorio Virtual | Circuit Construction Kit (DC Only), Virtual Lab | Run Now |
| Laboratorio de Colisiones | Collision Lab | Run Now |
| Visión del Color | Color Vision | Run Now |
| Concentración | Concentration | Run Now |
| Conductividad | Conductivity | Run Now |
| Pozos Dobles y Enlaces Covalentes | Double Wells and Covalent Bonds | Run Now |
| Ajustando la Curva | Curve Fitting | Run Now |
| Experimento Davisson-Germer | Davisson-Germer: Electron Diffraction | Run Now |
| Densidad | Density | Run Now |
| Luces de Neón y otras Lámparas de Descarga | Neon Lights & Other Discharge Lamps | Run Now |
| Comida y Ejercicio | Eating & Exercise | Run Now |
| campo e | Electric Field of Dreams | Run Now |
| Hockey Electrico | Electric Field Hockey | Run Now |
| Cambios y formas de energías | Energy Forms and Changes | Run Now |
| Pista de patinar "Energía" | Energy Skate Park | Run Now |
| Energía en el Skate Park: Básico | Energy Skate Park: Basics | Run Now |
| equation-grapher | Equation Grapher | Run Now |
| Estimación | Estimation | Run Now |
| Laboratorio electromágnetico de Faraday | Faraday's Electromagnetic Lab | Run Now |
| Leyes de Faraday | Faraday's Law | Run Now |
| Presión del fluido y flujo | Fluid Pressure and Flow | Run Now |
| Fuerzas en 1 Dimensión | Forces in 1 Dimension | Run Now |
| Fuerzas y movimiento | Forces and Motion | Run Now |
| Fuerzas y Movimiento:Fundamentos | Forces and Motion: Basics | Run Now |
| Fourier: Fabricacion de Ondas | Fourier: Making Waves | Run Now |
| Comparador de Fracciones | Fraction Matcher | Run Now |
| Introducción a las fracciones | Fractions Intro | Run Now |
| Fricción | Friction | Run Now |
| Propiedades del gas | Gas Properties | Run Now |
| Expresión génica - Fundamentos | Gene Expression - The Basics | Run Now |
| La Máquina de Genes: El Operón Lac | Gene Machine: The Lac Operon | Run Now |
| Generador | Generator | Run Now |
| geometric-optics | Geometric Optics | Run Now |
| Glaciares | Glaciers | Run Now |
| Dibujando líneas | Graphing Lines | Run Now |
| Gravedad y Órbitas | Gravity and Orbits | Run Now |
| Lab. Fuerza de Gravedad | Gravity Force Lab | Run Now |
| El Efecto de Invernadero | The Greenhouse Effect | Run Now |
| Modelos del Átomo del Hidrógeno | Models of the Hydrogen Atom | Run Now |
| Isótopos y Masa atómica | Isotopes and Atomic Mass | Run Now |
| Movimiento de Mariquita en 2D | Ladybug Motion 2D | Run Now |
| Lasers | Lasers | Run Now |
| Aterrizaje Lunar | Lunar Lander | Run Now |
| Imán y Brújula | Magnet and Compass | Run Now |
| Imanes y Electroimanes | Magnets and Electromagnets | Run Now |
| Laboratorio de Resortes y Masa | Masses & Springs | Run Now |
| Juego de Laberinto | Maze Game | Run Now |
| Canales de Membrana | Membrane Channels | Run Now |
| Microondas | Microwaves | Run Now |
| Molaridad | Molarity | Run Now |
| Motores Moleculares | Molecular Motors | Run Now |
| Polaridad de la Molécula | Molecule Polarity | Run Now |
| Moléculas y Luz | Molecules and Light | Run Now |
| Forma de la Molécula | Molecule Shapes | Run Now |
| Formas de la Molécula: Básico | Molecule Shapes: Basics | Run Now |
| PhET Movimiento2D | Motion in 2D | Run Now |
| El Hombre Móvil | The Moving Man | Run Now |
| MRI Simplificado | Simplified MRI | Run Now |
| Mi Sistema Solar | My Solar System | Run Now |
| Selección Natural | Natural Selection | Run Now |
| Neurona | Neuron | Run Now |
| Frecuencias resonantes. | Normal Modes | Run Now |
| Fisión Nuclear | Nuclear Fission | Run Now |
| Ley de Ohm | Ohm's Law | Run Now |
| Control Óptico De Quantum | Optical Quantum Control | Run Now |
| Pinzas Ópticas Y Sus Aplicaciones | Optical Tweezers and Applications | Run Now |
| Laboratorio de Péndulo | Pendulum Lab | Run Now |
| El Efecto Fotoeléctrico | Photoelectric Effect | Run Now |
| Escala de pH | pH Scale | Run Now |
| Tectónica de placas | Plate Tectonics | Run Now |
| Plinko-Probabilidad | Plinko Probability | Run Now |
| Movimiento de un Proyectil | Projectile Motion | Run Now |
| Penetración Mecánico-Cuántica y Paquete de Ondas | Quantum Tunneling and Wave Packets | Run Now |
| Interferencia de Onda Cuántica | Quantum Wave Interference | Run Now |
| Carga Radiante | Radiating Charge | Run Now |
| Juego de Datación Radioactiva | Radioactive Dating Game | Run Now |
| Ondas del radio | Radio Waves & Electromagnetic Fields | Run Now |
| Rampa: Fuerzas y movimiento | Ramp: Forces and Motion | Run Now |
| Reactivos, Productos y Sobrantes | Reactants, Products and Leftovers | Run Now |
| Velocidades de reacción | Reactions & Rates | Run Now |
| Resistencia en un Alambre | Resistance in a Wire | Run Now |
| Resonancia | Resonance | Run Now |
| Reacciones reversibles | Reversible Reactions | Run Now |
| Revolución Mariquita | Ladybug Revolution | Run Now |
| Dispersión de Rutherford | Rutherford Scattering | Run Now |
| Modelo de Partículas Auto-impulsadas (DSWeb) | Self-Driven Particle Model | Run Now |
| Semiconductores | Semiconductors | Run Now |
| Señal de Circuito | Signal Circuit | Run Now |
| Sales y Solubilidad | Salts & Solubility | Run Now |
| Ondas Acusticas | Sound | Run Now |
| Estados de la Materia | States of Matter | Run Now |
| Estados de la Materia: Básico | States of Matter: Basics | Run Now |
| Experimento de Stern-Gerlach | Stern-Gerlach Experiment | Run Now |
| Estirar la DNA | Stretching DNA | Run Now |
| Soluciones de Azúcar y Sal | Sugar and Salt Solutions | Run Now |
| La Rampa | The Ramp | Run Now |
| Torsión | Torque | Run Now |
| Travoltaje | John Travoltage | Run Now |
| Bajo Presión | Under Pressure | Run Now |
| Adición de Vectores | Vector Addition | Run Now |
| Interferencia De la Onda | Wave Interference | Run Now |
| Onda en una Cuerda | Wave on a String | Run Now |
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