Argumentative speeches scientific argumentative essay example concern topics which are currently being debated by society, current controversial issues. These topics are often derived from political debates and issues which are commonly seen in the media.
The chosen topic may be political, religious, social, or ethical in nature. Obviously, selecting a topic that is debatable is key to creating an effective speech. The topic should not be something which is generally already proven, or would require an enormous leap of faith or logic in order to convince the audience. The speaker should already possess a strong interest and have a deeply-held opinion on the subject, or else his arguments will probably not come across as believable to the audience.