PBS
Pbs Learning Media: That's My Theory!
Become a game show contestant in this online activity from A Science Odyssey and ask a series of questions to a panel of mystery scientists, using the answers to determine which scientist is Einstein.
CK-12 Foundation
Ck 12: Chemistry Simulation: Rutherford's Gold Foil Experiment
[Free Registration/Login Required] How can we predict an atom's structure, if we cannot see an atom? Using the Rutherford's Gold Foil Experiment, make your own model and test out the model.
Concord Consortium
The Molecular Workbench Database: Models of the Atom's Electron Orbitals
Learn about atomic structure and the multiple theories of atomic structure in this simulation.