PhET Interactive Simulations

Acid-Base Solutions	Alpha Decay	Atomic Interactions
Balancing Act	Balancing Chemical Equations	Balloons & Buoyancy
Balloons and Static Electricity	Battery-Resistor Circuit	Battery Voltage
Beer's Law Lab	Bending Light	Beta Decay
Blackbody Spectrum	Build a Fraction	Build a Molecule
Build an Atom	Buoyancy	Calculus Grapher
Capacitor Lab	Capacitor Lab: Basics	Charges And Fields
Circuit Construction Kit (AC+DC)	Circuit Construction Kit (AC+DC), Virtual Lab	Circuit Construction Kit: DC
Circuit Construction Kit: DC - Virtual Lab	Collision Lab	Color Vision
Concentration	Conductivity	Curve Fitting
Density	Eating & Exercise	Electric Field Hockey
Electric Field of Dreams	Energy Forms and Changes	Energy Skate Park
Energy Skate Park: Basics	Equation Grapher	Estimation
Expression Exchange	Faraday's Electromagnetic Lab	Faraday's Law
Fluid Pressure and Flow	Forces and Motion	Forces and Motion: Basics
Forces in 1 Dimension	Fourier: Making Waves	Fraction Matcher
Fractions Intro	Friction	Function Builder
Gas Properties	Gene Expression Essentials	Gene Machine: The Lac Operon
Generator	Geometric Optics	Glaciers
Graphing Lines	Graphing Slope-Intercept	Gravity And Orbits
Gravity Force Lab	The Greenhouse Effect	Hooke's Law
Isotopes and Atomic Mass	John Travoltage	Ladybug Motion 2D
Ladybug Revolution	Lasers	Least-Squares Regression
Lunar Lander	Magnet and Compass	Magnets and Electromagnets
Masses & Springs	Maze Game	Membrane Channels
Microwaves	Models of the Hydrogen Atom	Molarity
Molecule Polarity	Molecules and Light	Molecule Shapes
Molecule Shapes: Basics	Motion in 2D	The Moving Man
My Solar System	Neon Lights & Other Discharge Lamps	Neuron
Nuclear Fission	Ohm's Law	Optical Quantum Control
Pendulum Lab	Photoelectric Effect	pH Scale
Plate Tectonics	Plinko Probability	Projectile Motion
Radiating Charge	Radioactive Dating Game	Radio Waves & Electromagnetic Fields
The Ramp	Ramp: Forces and Motion	Reactants, Products and Leftovers
Reactions & Rates	Resistance in a Wire	Resonance
Reversible Reactions	Rutherford Scattering	Salts & Solubility
Signal Circuit	Simplified MRI	Sound
States of Matter	States of Matter: Basics	Sugar and Salt Solutions
Torque	Trig Tour	Under Pressure
Unit Rates	Vector Addition	Wave Interference
Wave on a String