i have a speech to do on something what should that something be

Answer 1

You need to be FAR more specific than this. Specifically what are you interested in writing a speech about?

http://www.google.com/search?q=ideas+for+speeches+5th+grade&ie=utf-8&oe=utf-8&aq=t&client=firefox-a&rlz=1R1GGLL_en___US379

Answer 2

In any event, that should be about something in which you are already interested!

Sra