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.
hrvatski Croatian
| Alfa raspad | Alpha Decay | Run Now | Download |
| Aritmetika | Arithmetic | Run Now | Download |
| Međudjelovanje atoma | Atomic Interactions | Run Now | Download |
| Statički elektricitet | Balloons and Static Electricity | Run Now | Download |
| Plinski Zakoni | Balloons & Buoyancy | Run Now | Download |
| Struktura Vrpci | Band Structure | Run Now | Download |
| Jednostavni strujni krug | Battery-Resistor Circuit | Run Now | Download |
| Napon (elektromotorna sila) baterije | Battery Voltage | Run Now | Download |
| Beta Decay | Beta Decay | Run Now | Download |
| Zračenje crnog tijela | Blackbody Spectrum | Run Now | Download |
| Vezana stanja (kvantnomehanički koncept) | Quantum Bound States | Run Now | Download |
| Složi razlomak | Build a Fraction | Run Now | Download |
| Napravi atom | Build an Atom | Run Now | Download |
| density-and-buoyancy | Buoyancy | Run Now | Download |
| Kondenzatori | Capacitor Lab | Run Now | Download |
| Naboj i Električno polje | Charges and Fields | Run Now | Download |
| Dizajniranje srujnih krugova | Circuit Construction Kit (AC+DC) | Run Now | Download |
| Circuit Construction Kit (AC+DC), Virtual Lab | Circuit Construction Kit (AC+DC), Virtual Lab | Run Now | Download |
| Dizajniranje srujnih krugova (samo DC) | Circuit Construction Kit (DC Only) | Run Now | Download |
| Circuit Construction Kit (DC Only), Virtual Lab | Circuit Construction Kit (DC Only), Virtual Lab | Run Now | Download |
| Kako vidimo boje? | Color Vision | Run Now | Download |
| Vodljivost | Conductivity | Run Now | Download |
| Dvostuka jama i kovalentna veza | Double Wells and Covalent Bonds | Run Now | Download |
| Prilagodba podataka polinomom | Curve Fitting | Run Now | Download |
| Eksperiment Davissona i Germera | Davisson-Germer: Electron Diffraction | Run Now | Download |
| Gustoća | Density | Run Now | Download |
| Neonsak svjetiljka & druge izbojne lampe | Neon Lights & Other Discharge Lamps | Run Now | Download |
| Električno polje naboja | Electric Field of Dreams | Run Now | Download |
| Električni hokej! Naboj umjesto paka! | Electric Field Hockey | Run Now | Download |
| Oblici energije i energetske promjene | Energy Forms and Changes | Run Now | Download |
| Zakon sačuvanja energije | Energy Skate Park | Run Now | Download |
| Energy Skate Park: Basics | Energy Skate Park: Basics | Run Now | Download |
| Kvadratna jednadžba | Equation Grapher | Run Now | Download |
| Procjena | Estimation | Run Now | Download |
| Faradayeva elektromagnetska indukcija | Faraday's Electromagnetic Lab | Run Now | Download |
| Faradayev zakon indukcije | Faraday's Law | Run Now | Download |
| Koncept sile | Forces in 1 Dimension | Run Now | Download |
| Forces and Motion | Forces and Motion | Run Now | Download |
| Kompozicija valova (Fourierova sinteza) | Fourier: Making Waves | Run Now | Download |
| Sparivanje razlomaka | Fraction Matcher | Run Now | Download |
| Uvod u razlomke | Fractions Intro | Run Now | Download |
| Trenje | Friction | Run Now | Download |
| Svojstva Plinova | Gas Properties | Run Now | Download |
| Generator | Generator | Run Now | Download |
| Optička Klupa | Geometric Optics | Run Now | Download |
| Ledanjaci | Glaciers | Run Now | Download |
| Gravitacija i Orbite | Gravity and Orbits | Run Now | Download |
| Učinak staklenika | The Greenhouse Effect | Run Now | Download |
| Model Atoma Vodika | Models of the Hydrogen Atom | Run Now | Download |
| Izotopi i Atomska Masa | Isotopes and Atomic Mass | Run Now | Download |
| Laseri | Lasers | Run Now | Download |
| Mjesečeva sonda | Lunar Lander | Run Now | Download |
| Magnet i Kompas | Magnet and Compass | Run Now | Download |
| Magneti i Elektromagneti | Magnets and Electromagnets | Run Now | Download |
| mass-spring-lab | Masses & Springs | Run Now | Download |
| Zanimacje s brzinom i akceleracijom | Maze Game | Run Now | Download |
| Mikrovalovi | Microwaves | Run Now | Download |
| Djelovanje enzima | Molecular Motors | Run Now | Download |
| Odnos brzine i akceleracije | Motion in 2D | Run Now | Download |
| Gibanje | The Moving Man | Run Now | Download |
| Shema MRI | Simplified MRI | Run Now | Download |
| Solarni sustavi | My Solar System | Run Now | Download |
| Nuklearna fisija | Nuclear Fission | Run Now | Download |
| Ohmov Zakon | Ohm's Law | Run Now | Download |
| Kvantna optika | Optical Quantum Control | Run Now | Download |
| Optička pinceta i primjene | Optical Tweezers and Applications | Run Now | Download |
| pendulum-lab | Pendulum Lab | Run Now | Download |
| Fotoelektrični efekt | Photoelectric Effect | Run Now | Download |
| pH | pH Scale | Run Now | Download |
| Pascalov trokut | Plinko Probability | Run Now | Download |
| Gibanje projektila | Projectile Motion | Run Now | Download |
| Kvantno tuneliranje i valni paketi | Quantum Tunneling and Wave Packets | Run Now | Download |
| Kvantna interferencija valova | Quantum Wave Interference | Run Now | Download |
| Radioactive Dating Game | Radioactive Dating Game | Run Now | Download |
| Radio Valovi | Radio Waves & Electromagnetic Fields | Run Now | Download |
| Ramp: Forces and Motion | Ramp: Forces and Motion | Run Now | Download |
| Otpor vodiča | Resistance in a Wire | Run Now | Download |
| Reverzibilan proces | Reversible Reactions | Run Now | Download |
| Luna park za bube i žohare | Ladybug Revolution | Run Now | Download |
| Rutherfordovo raspršenje | Rutherford Scattering | Run Now | Download |
| Poluvodiči | Semiconductors | Run Now | Download |
| Struja i signal | Signal Circuit | Run Now | Download |
| Soli i njihova topljivost | Salts & Solubility | Run Now | Download |
| Zvuk | Sound | Run Now | Download |
| Agragatna stanja tvari | States of Matter | Run Now | Download |
| Stanje materije: osnovno | States of Matter: Basics | Run Now | Download |
| Stern-Gerlachov eksperiment | Stern-Gerlach Experiment | Run Now | Download |
| Ispravljanje DNA | Stretching DNA | Run Now | Download |
| Tijelo na kosini | The Ramp | Run Now | Download |
| Moment sile | Torque | Run Now | Download |
| Johntra Volta | John Travoltage | Run Now | Download |
| Zbrajanje vektora | Vector Addition | Run Now | Download |
| Interferencija valova | Wave Interference | Run Now | Download |
| Valovi na žici | Wave on a String | Run Now | Download |
Simulations not yet translated into Croatian
- Acid-Base Solutions
- Area Builder
- Balancing Act
- Balancing Chemical Equations
- Beer's Law Lab
- Bending Light
- Build a Molecule
- Calculus Grapher
- Collision Lab
- Concentration
- Eating & Exercise
- Fluid Pressure and Flow
- Forces and Motion: Basics
- Gene Expression - The Basics
- Gene Machine: The Lac Operon
- Graphing Lines
- Gravity Force Lab
- Ladybug Motion 2D
- Membrane Channels
- Molarity
- Molecule Polarity
- Molecules and Light
- Molecule Shapes
- Molecule Shapes: Basics
- Natural Selection
- Neuron
- Normal Modes
- pH Scale: Basics
- Plate Tectonics
- Radiating Charge
- Reactants, Products and Leftovers
- Reactions & Rates
- Resonance
- Self-Driven Particle Model
- Sugar and Salt Solutions
- Under Pressure
The remaining simulations can be translated using the PhET Translation Utility.