It's called a trigger animation. Here's some info:
http://www.echosvoice.com/triggers.htm
--
Echo [MS PPT MVP]
http://www.echosvoice.com
What's new in PPT 2007?
http://www.echosvoice.com/2007.htm
Fixing PowerPoint Annoyances
http://tinyurl.com/36grcd
PowerPoint 2007 Complete Makeover Kit
http://tinyurl.com/32a7nx
"Sean Timmons" <(E-Mail Removed)> wrote in message
news

D273416-6F7C-406F-8AC6-(E-Mail Removed)...
> So, I'm a PowerPoint novice.
>
> What I'm trying to do is set up a Jeopardy-style page with the standard $
> boxes in categories. As each question is selected, I click in the desired
> box
> and have the question appear. Once the question is answered, I click again
> and the box is now blanked out.
>
> I know I can use animation to make objects appear and have them pop up.
> But,
> no idea how to base the selection on where I click the mouse.
>
> Is this possible?