The article deals with the issues of activation and improvement of rhetorical skills when teaching students extended scientific speeches on linguistic topics. Special attention is paid to the methods of work related to the work on scientific text, the specifics of scientific text composition, its lexical features. The rhetorical side of scientific and educational speech includes work on the pronunciation of speech. Students' attention is focused on the ability to master the material, manner and completeness of presentation, on the absence of speech defects in the speech, on the speaker's behavior in front of the audience, his general psychological attitude. The article emphasizes that the step-by-step work on scientific and educational speech on linguistic topics in the university will help future teachers of vocabulary to properly organize speech activity in Russian language classes at school.