HowStuffWorks – Learn How Everything Works!
HowStuffWorks explains thousands of topics, ranging from the flu to black holes to conspiracy theories, with video and illustrations so you can learn how everything works.
A site jam packed full of useful information on how everything works including the INTERNET!
Web site building for children, suitable from KS2 onwards.
Learn to Code
Try a one-hour tutorial designed for all ages in over 45 languages. Join millions of students and teachers in over 180 countries starting with an Hour of Code.
Another useful site for Computing is http://www.scratch.mit.edu