I will endeavor to give you as many eduacational sites that I come across in my surfing. I will be looking at the suitablity of content for kids and parents alike. The net has a vast amount of solid info to help your children or yourself with extension learning.

Sunshine online

A great site based around the teaching principals of Wendy Pye. Great content for kids ,parents and teachers

learnz

Awsome information on Antartica and links with Scott Base epedition.Room 78 are using this site daily!