or Word Central
Visual Dictionary by Merriam Webster
Roget's Thesaurus Find new words to spice up a report.
EBSCO - Online encyclopedia and magazine article database for students.
Identify US Animals and Plants at enature.com, provided by the National Wildlife Federation.
Kidport.com An online site where you can do all sorts of fun, online activities and research.
EasyBib - Bibliography and Citation Maker