Schmoop.com Glossary of Literary Terms
This site contains helpful information about all forms of literature, including fiction, poetry, and informational writing.
This site provides not only a dictionary, but a thesaurus and encyclopdeia.
This site contains explanations, exercises, and quizzes related to many foundational grammar skills.
In a library, if you don't know where to look for a reference book, you go to the Reference Librarian. On the Internet, if you don't know where to look for answers, you go to Refdesk.com.
At first glance, the sheer amount of useful links on the Refdesk home page can be overwhelming. But it's really quite well organized and useful.
Convenient links to online Almanacs, calculators, dictionaries, directories, encyclopedias, historic documents, quotations, statistics, and thesaurus.
Home work spot
This is a free homework site that features K-12 homework-related sites for all subjects.