You can run the animations from here or visit the main site for Phet http://phet.colorado.edu/ and you can download the entire suite to run on your PC locally.
A
B
Balancing Act
Balloons & Buoyancy
Balloons and Static Electricity
Band Structure
Battery-Resistor Circuit
Battery Voltage
Bending Light
Beta Decay
Blackbody Spectrum
Build an Atom
Buoyancy
C
Calculus Grapher
Capacitor Lab
Charges and Fields
Circuit Construction Kit (AC+DC)
Circuit Construction Kit (AC+DC), Virtual Lab
Circuit Construction Kit (DC Only)
Circuit Construction Kit (DC Only), Virtual Lab
Collision Lab
Color Vision
Conductivity
F
Faraday’s Electromagnetic Lab
Faraday’s Law
Forces and Motion
Forces in 1 Dimension
Fourier: Making Waves
Friction
G
Gas Properties
Generator
Geometric Optics
Gravity and Orbits
Gravity Force Lab
The Greenhouse Effect
M
Magnet and Compass
Magnets and Electromagnets
Masses & Springs
Maze Game
Microwaves
Models of the Hydrogen Atom
Molecular Motors
Molecules and Light
Motion in 2D
The Moving Man
My Solar System
R
Radioactive Dating Game
Radio Waves & Electromagnetic Fields
The Ramp
Ramp: Forces and Motion
Reactions & Rates
Resistance in a Wire
Resonance
Reversible Reactions
Rutherford Scattering
S
Semiconductors
Signal Circuit
Simplified MRI
Sound
States of Matter
States of Matter: Basics
Stern-Gerlach Experiment
Stretching DNA
T
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