Subject guides (on the right hand side of this page) have information about reference materials such as dictionaries and encyclopedias, which can give you background information about your topic (and relevant terms to use when searching). They also have information about indexes and abstracts, which include article databases.
These will provide basic background information to help you evaluate the resources you find while searching and they will provide you with the right search terms.
If you are having trouble focusing your topic, read the "From topics to questions" chapter of
For conducting library research in general, borrow this book:
Check out the sections below for more information: