Ask Jeeves
http://www.ask.com - Type a question and this site will generate an answer.

AlltheWeb
www.alltheweb.com

Awesome Library Problem Solving
www.awesomelibrary.org/Classroom/Science

Library in the Sky

http://www.onlineschools.org/library-sky/ -data base of 1589 educational websites

Reference Desk
www.refdesk.com -acts as a people finder, marketing tutorial, public records search.

Google
www.google.ca

SurfWax
www.surfwax.com - Requires login; you have three free searches.

Tools Research
www.itools.com/search -huge search engine, people finder and web directory