Check out these animated research tutorials from Weber State University--click on the link to view the tutorial:
Identifying Keywords: Keywords make searching databases, library catalogs, and even Google so much more efficient!
Using Boolean Operators: Using WHAT?!?! You don't have to know how to pronounce "Boolean," but knowing how to use Boolean operators will help you narrow your search to get the results you really want. Most databases use Boolean operators.
Advanced Search Techniques: In other words, how to Google like a boss.
Primary vs. Secondary Sources: How can I tell if a source is primary or secondary? Watch this tutorial to find out.