The document provides guidance on using keywords and synonyms for research. It defines keywords as the main words of a topic used for searching. Students are instructed to brainstorm keywords for their topic and create a word cloud to visualize the main terms. Synonyms are defined as different words that mean the same thing. Students are told synonyms are important for searching because keywords may not always work and to use a thesaurus to come up with alternative terms for their topic. The document emphasizes experimenting with keywords and synonyms and paying attention to search results.