Ugandan Global Project
This is a project that Kathleen McGeady's second grade class is participating in with five other sclasses around the globe. See here for how it began and then take a look at this post for an update on the project to see how they have been successful.

NETS-S Flipside:Podcasting
This is an example of a 5th grade Social Studies class doing a podcasting project with their counterparts in Malaysia.