We'll cover these topics in class together, but if you'd like to review before or after class, here are some resources to learn more:
Learn ways for finding search terms, including both keywords and subject headings (like MeSH and CINAHL Subject Headings).
Learn how to use boolean operators to build a search strategy.
It's okay if you don't knock it out of the park on your first try -- in order to create a search that works (i.e., actually finds research that is applicable to your question), you'll probably need to refine your search. This includes methods like adding / removing keywords or subject headings and using filters.