Pick a topic that relates to the goals of your informative speech. Informative Speech Topics for Students in .1. How to Choose an Informative Speech Topic? Who What When Where Why Audience Purpose Timeframe. These facts and statistics help back any claims or assertions you make. They do, however, use facts, data and statistics to help audiences grasp a concept. Unlike demonstrative speeches, they don't use visual aids. Informative speeches aim to educate an audience on a particular topic or message. What is the purpose of an informative speech Informative speech.
