Based on what your information needs are, NoodleTools provides a directory of search engines suggestions. An excellent place to help students interpret their information needs.
A easy to use guide for web evaluation. Lists
evaluation criteria with links to actual pages that illustrate each point. The examples page can be used by teachers for an in-class activity. Also includes
a Bibliography and Suggestions for teaching web eval
The technology integration matrix identifies types of activities each each of level of technology integration. The examples include lesson plans and a video describing the unit.
How search engines work, including the difference between crawler-based search engines and human-powered directories. Explanation of what a spider is and how it crawls web pages.