"Librarians, teachers and parents have told us how hard it is for students to understand web searching.

Boolify makes it easier to for learners to understand their web search by illustrating the logic of their search, and by showing them how each change to their search instantly changes their results."

"It's simple, immediate and is easy and flexible to use with your learners, no matter the subject matter."

"Search results are presented through Google's "Safe Search STRICT" technology, ideal for family Learning, so we're confident that the results your students receive are safe."

Try it out at http://www.boolify.org/.