I enjoyed this article about ways to break the ice at the beginning of the school year. Students are usually so nervous and may not know all of the students in their class. These are some great ideas for teachers to add to the first days of school lesson plans.
My favorite is the alien conversation. I could see upper elementary and middle school students getting a real kick out of this and having to work as a team to make it work.
Planet Doiron 
Fun! I like the idea of the alien greeting as well. Thanks for sharing!