PhET Interactive Simulations

Acid-Base Solutions	Area Builder	Arithmetic
Atomic Interactions	Balancing Act	Balancing Chemical Equations
Balloons and Static Electricity	Beer's Law Lab	Bending Light
Blackbody Spectrum	Build an Atom	Buoyancy
Calculus Grapher	Charges And Fields	Collision Lab
Color Vision	Concentration	Curve Fitting
Density	Energy Skate Park: Basics	Equation Grapher
Estimation	Faraday's Law	Forces and Motion: Basics
Fraction Matcher	Friction	Function Builder
Function Builder: Basics	Geometric Optics	Graphing Lines
Gravity And Orbits	Gravity Force Lab	Hooke's Law
Isotopes and Atomic Mass	John Travoltage	Least-Squares Regression
Lunar Lander	Make a Ten	Masses & Springs
Molarity	Molecules and Light	Molecule Shapes
Molecule Shapes: Basics	My Solar System	Neuron
Normal Modes	Ohm's Law	Pendulum Lab
pH Scale	pH Scale: Basics	Plinko Probability
Projectile Motion	Proportion Playground	Radiating Charge
Reactants, Products and Leftovers	Resistance in a Wire	Resonance
Rutherford Scattering	States of Matter	States of Matter: Basics
Stern-Gerlach Experiment	Trig Tour	Under Pressure
Unit Rates	Vector Addition	Wave on a String