An informative speech is which provides information about a specific subject to a number of audiences. The speech duration is 1 to 10 minute. It must be contain some specific information which help the audience understand and make them attracted and interested in the listening.
The purpose of informative speech is to inform, to persuade, to entertain.
The main important factor of an informative speech is what to say in the speech or how to choose the topic?
The second main important factor is how to make an outline of the chosen topic.