A comprehensive center for the sciences, eLibrary Science is great for middle school and upper school science research.
Gale Virtual Reference Library
The Gale Virtual Reference Library provides full text, multi-volume e-Reference books available 24/7.
EbscoHost provides a premium selection of reference material, thousands of full-text periodicals and newspapers.
Start with the Student Research Center
A great first-stop reference source, this enables you to search FOUR encyclopedias either individually or at once. Grolier Online contains Encyclopedia Americana, Grolier Multimedia Encyclopedia, New Book of Knowledge, and Lands and Peoples.
Gale InfoTrac has fantastic reference sources! There are tons of options, but start with the Junior Edition , the Student Edition , or the General Science Collection .