NEWTONS CRADLE
magnetic linear accelorator
http://www.explorelearning.com/ GIZMO
knowledge adventure (science games)
MARS! http://mars.nasa.gov/msl/multimedia/interactives/edlcuriosity/index-2.html
CYBER CHASE http://pbskids.org/cyberchase/
http://www.sciencemuseum.org.uk/onlinestuff/games.aspx
www2.visalia.k12.ca.us/teachers/solson/webquest/ Simple machines webquest
Race to the Bottom of the Ocean-BBC
http://deepseachallenge.com/
Many challenging Games - Try Engineering!
Electricity
Fun electricity site SILICONE SPIES!!