http://www.youramazingbrain.org/testyourself/eyewitness.htm

Although the quality of the videos is not best, it is a perfect starter for this topic. To some extent they may experience the nature of being an eyewitness.

http://nces.ed.gov/nceskids/createagraph/default.aspx

I used it with self-assessment of stress reactions but it may be used in any topic, any researh conducted in the classroom. In 30 seconds you may obtain and show a simple graph

Excellent way to show different areas of our brain

I use it as well :)