The University of Colorado provide a number of interactive simulations for physics at https://phet.colorado.edu/ Here is an example : Colour Vision
Now available : Physics Multiple Choice Quiz http://www.e-physics.org.uk/quizzes/physics1/
Here is a new revision exercise (multiple choice) on electric circuits, for a-level physics students ……. http://e-physics.org.uk/quizzes/circuits1/
Here is a new quiz for A-Level Physics students… http://www.e-physics.org.uk/quiz.html (Flash Player needed) The pdf version is here: http://www.e-physics.org.uk/quizzes/equations2.pdf OR SCORM 1.2 version here : http://www.e-physics.org.uk/quizzes/A-Level Equations.zip
Dr.Overy’s KBase is now open….with physics revision activities and other science resources….. http://www.globalmatters.org/topics
Here is a collection of interactive simulations suitable for reinforcing/investigating concepts in UNIT 2 (AQA) http://phet.colorado.edu/en/simulations/category/physics/motion You can download them and run them on your own computer (Java required) or run them online.