Places to find Citizen Science projects (they aren't all astronomy related):

Citizen Science Central (Cornell Lab of Ornithology) http://www.birds.cornell.edu/citscitoolkit/projects  read more »

NASA and Microsoft collaborated to create a Web site where Internet users can have fun while advancing their knowledge of Mars.  read more »

There are a lot of great resources for educators on asteroids and small solar system bodies on the Dawn site.

Explore! Jupiter's Family Secrets will acquaint you with Jupiter and NASA's upcoming Juno mission!  read more »

Help scientist do real science by helping to identify surface features on the Moon - craters and boulders. A fun way to get involved in real science using real data.

The guide is designed to be used as single activities or combined to form mini-units.  read more »

The Educator's Guide for grades 9-12 aids in teaching math, physics, and chemistry concepts from the viewpoint of propulsion and aeronautics. It is aligned with national standards.  read more »

Updated Rockets Educator Guide (2008).
History of rockets, how rockets work, applying Newton's Laws.  read more »

For the NASA Summer of Innovation, NASA Aerospace Education Specialists have developed six 30-hour thematic units of NASA content.  read more »

This NASA educator guide for grades 5-12 focuses on the technology behind spacesuits.  read more »