This is a cool website, it is the SMART website. You can find detailed information about all the SMART Technology Education Solutions available. I am noticing that classrooms are increasingly becomes "SMART" classrooms. Looking through, there are a lot of very cool resources available to classrooms. Unfortunately, it will depend if the classroom you teach in, is fortunate enough to be a "SMART" class.
NASA Quest Challenges are FREE Web-based, interactive explorations designed to engage students in authentic scientific and engineering processes. The solutions relate to issues encountered daily by NASA personnel.