It's hard to believe that this was created by the higher-education community as I see it as a good tool for secondary instruction. However, that's the state-of-our-information-illiterate-union. Every cybrarian or tech teacher should add this little tool to their cadre of secret weapons for web instruction.
Thank you to the University of Bristol: http://www.vtstutorials.ac.uk/detective/index.html
Click here's another fun tool you may have missed. - Plagiarism...
While we're at it, try out this little Citebite.com tool that will help students avoid plagiarism: