How to evaluate a web site for use in my classrooom

The Virtual Chase
This site seemed to have pretty good information and checklists for website evaluations.
"Good information is accurate, complete, objective, authoritative and timely (at the time of publication). The strategies listed below help researchers detect bad information. Follow each of the links for more information about the strategy as well as examples of Web sites that illustrate good or bad information."

Identify the Source
Discover the Source's Expertise
Determine the Level of Objectivity
Establish the Date of Publication
Verify What the Information Claims
Printable Evaluation Checklist