Useful Resources for Interactive KS3 Science
http://www.bbc.co.uk/schools/ks3bitesize/science/
http://www.woodlands-junior.kent.sch.uk/revision/Science/index.html
Science Games :
http://www.sciencekids.co.nz/gamesactivities.html
http://www.sciencemuseum.org.uk/onlinestuff/games/