You could try miming your Informative speech Body language – speaking without words, just to make your point but it will certainly be more effective if you stand up and speak! Your speech is packed with great examples of how much we actually communicate without words. Your audience will lap this one up, as it is something we all do without realizing it. Your Informative speech Body language – speaking without words will win over your audience easily. It’s a great topic to get everyone thinking and communicating and maybe even thinking about communication. You’ll be wary of what your hands are doing after this!