The links listed below are for kids and the young at heart.

 

http://kids.usa.gov/

http://www.funology.com/

http://www.funbrain.com/

http://kids.nationalgeographic.com/

http://www.nasa.gov/audience/forkids/kidsclub/flash/#.UxEAUBj2MZ8

http://www.sesamestreet.org/

http://www.sikids.com/

http://kids.albrightknox.org/loader.html

http://www.dare.org/kids/

http://www.monitoringthefuture.org/