Algodoo (The best free physics based program) (Can make games from it)
50 Best Science Games
Best Science Games for Students
Celestia (The best free space program) (Can be modded)
The Celestia Motherlode (Mods for Celestia)
Protein Folding Program (FoldingAtHome.org)
Google Earth
50 Best Science Games
Best Science Games for Students
Celestia (The best free space program) (Can be modded)
The Celestia Motherlode (Mods for Celestia)
Protein Folding Program (FoldingAtHome.org)
Google Earth