Space Camp
http://www.grc.nasa.gov/WWW/K-12/airplane/bga.html
http://www.grc.nasa.gov/WWW/K-12/aeroact.htm
http://exploration.grc.nasa.gov/education/rocket/rktbot.html Bottle Rocket
http://exploration.grc.nasa.gov/education/rocket/rktbflght.html Rocket's trajectory
http://www.grc.nasa.gov/WWW/K-12/TRC/Aeronautics/Musical_Tube.html Musical Tube
http://www.grc.nasa.gov/WWW/K-12/Summer_Training/FranktonES/inflating_balloon_activity.html
http://www.nineplanets.org/ The Nine Planets
http://amazing-space.stsci.edu/resources/explorations/ Amazing Space
http://hubblesite.org/ Hubble Site
http://www.earthkam.ucsd.edu/public/educators/activities/ Earth Cam
http://observe.arc.nasa.gov/nasa/exhibits/toys_space/fact_car_2.html
http://www.exploratorium.edu/ronh/weight/ Weight on different planets
http://www.exploratorium.edu/ronh/age/index.html Your age in different worlds
http://cse.ssl.berkeley.edu/light/program.html The Light
http://amazing-space.stsci.edu/resources/myths/black_holes.php.p=Capture+the+cosmos%40%2Ccapture%2C%3EBlack+holes%40%2Ccapture%2Cblackholes%2C
http://www.shatters.net/celestia/ CELESTIA FREE soft for download
http://www.rochesterforkids.com/hubble.htm