General
1. Adventure Online
http://www.adventureonline.com
Visit the whole world from the comfort of your own computer.
2. Electronic Zoo
http://netvet.wustl.edu/ssi.htm
An online zoo. Click the 'Animals' button to see your favourite animals from the comfort of your own chair. With excellent photography and some sound bytes, there are links to exotic, pet and fantasy animals.
3. Kids Planet
http://www.kidsplanet.org/factsheets/map.html
Investigate the natural habitat of planet Earth in this colourful wildlife resource. Learn about wild animals on every continent with fun factsheets covering a wide range of species.
4. ReekoScience
http://www.spartechsoftware.com/Reeko
Do cats have belly-buttons? Make a volcano in your kitchen. Filled with tons of mad-scientist-type experiments.
5. Seaworld
http://www.seaworld.org/
Find out fun facts and discover the scientific classifications of many of the world's animals. Watch the penguins live with PenguinCam, or learn about animal rescue and rehabilitation.
6. The Beano
http://www.beanotown.com/
What children's listing would be complete without the Beano?
7. The National Museum of Science
http://www.nmsi.ac.uk/
A very extensive site with lots of information.