Mark Frauenfelder posts that he's now got some sample experiments up from his book Mad Professor. There are three sample experiments: Goon Goo, Comeback Can, and Martian Volcano. I actually put this book onto my wish list a week or so ago because I thought it looked like lots of fun. I just wish my nephew was a little older so that I could do some of these experiments with him next time he visits.

They're all pretty simple experiments too. I remember doing the Volcano one when I was a kid. That was one of my favorites. Though in my case we were using soda bottles and hoping to make them explode. Sometimes I miss being a kid (well, okay, more than sometimes).