NASA Launchpad: Cooling Off
This Grades 9-12 activity includes the basics of thermal energy transfer/heat equations. The hands-on experiment featured would be somewhat expensive and time consuming. This acivitiy might translate into a simple simulation of what happens in the two different containers when a light shines on them.

NASA Launchpad: Satellite Orbits
This grades 9-10 activity has a NASA orbit simulator resource link.
http://science.nasa.gov/realtime/

Both of these educator guides are available at the NASA eClips Educator Guide website:
http://www.nasa.gov/audience/foreducators/nasaeclips/toolbox/guides.html