Communication Skills. What Is The Difference Between Extemporaneous And Impromptu Speech?

A successful speech is determined strictly by the audience.
Most people judge a speech as successful when the speaker is successful. Good
material is important, but the speaker is the 90% factor, being nervous is normal but don't show up the audience that you're too nervous a moderate degree  of nervousness  helps  focus our attention on the task so that we can do a better job. Try to remain calm, it will be over after a few minutes &  you will still be alive, no one will throw their lunch box at you! The worst they will do is laugh at  you, if you forget everything &  have to sit down they will  feel sorry for you. You will be embarrassed  but still alive.  Speak clearly  & confidently. Don't mumble...