(Sample) Astronomy for Kids: http://www.frontiernet.net/~kidpower/astronomy.html
(Sample) Dept of Energy's Kid Zone: http://www.energy.gov/kidz/kidzone.htm
(Sample) Nova Online: Mysteries of the Nile: http://www.pbs.org/wgbh/nova/egypt/
Free Rice - HELP END WORLD HUNGER http://www.freerice.com