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Purpose
The purpose of a demonstrative speech is to develop skills in expository speaking with emphasis on skill in exhibiting a process.
Definition
A demonstration speech shows how to do something or how something works. Objects, visual aids, or physical activity must be used. The speech must be instructive and present valuable, interesting, or significant information.
Aim
The speaker should, through skillful use of demonstration techniques, enable the listener to understand a process or product.
The second aim of the speaker is to support the material through the use of objects, visual aids, or physical activity
Rules
The speech must be the original work of the speaker.
An object, visual aid, or physical activity must be exhibited.
A desk or table will be supplied. All other equipment, visual aids, or props must be supplied by the speaker.
No properties or equipment endangering the health or safety of the participant, audience, or judges may be used, such as firearms, chemicals, sharp instruments, etc.
One and only one other person may be used to assist the demonstrator by serving as the object of demonstration or by helping to set up, strike, or handle equipment.
The maximum time limit, including set up and take down, is ten minutes.
The use of note cards is optional.
Suggestions
Remember that the purpose of demonstration speaking is instruction. Teach the audience something through the use of demonstration.
Choose a topic that would be of benefit to the audience.
The demonstration should be an integral part of the presentation, not just an "added frill" to meet the requirements.
Use an introduction to properly prepare the audience for what they are about to be shown.
Use a conclusion to properly summarize what you have shown.
Explain the relevance of your topic.
Be sure your presentation is well organized, so that the audience can easily understand.
Use your object, visual aid, or physical activity smoothly, so that it is an asset to your speech, not a detriment.
Maintain contact with the audience as much as possible. Don't talk to your visual aid or object.
As with any speaking category, make proper use of voice, bodily movement, facial expression, etc.