Reader's Digest has a nice set of activities to do with your Dad. This set of pictures and paragraphs would make an interesting conversation with students. You could show the slide and text and discuss each option or use them as a creative writing starter.
The Tour de France is July 22. While many northern hemisphere schools are out, there are still many who are going to school. Events of common interest, like the tour de france, give great learning experiences for students. If you teach French, this is a must discuss topic.