Maureen Whittmann offers an informative reflection on using the Socratic method with teenagers in this Catholic Mom article.
One thing that I have learned in leading a history co-op over the past several years is that if I spend all of my time lecturing the children, they do not retain a great deal. However, if I engage them in conversation and ask probing question they make connections, come up with insightful conclusions, and retain their lessons. This is known as the Socratic Method. The method is, of course, named after Socrates.
Read more here: Socrates Cafe