Enter and Look Around

Wonderville 3D

Ecokids

Ology

Try Science

Show Me

Nobel Prize Games

Fun School

Ed Heads - Activate your mind 

Funology - The Science of Having Fun

The yuckiest site on the internet

The Great Barrier Reef 

Interactive Science Games  

PBS Kids Fetch

BBC Science Clips (flash) 

Peep and the Big Wide World (for little ones)

See the "For Kids" section on each page below
 for games & activities