A growing range of free secondary age group teaching videos on maths, biology, physics and chemistry. The functional maths section is also suitable for primary pupils.
GCSE Bitesize Revision - ScienceComprehensive coverage of GCSE science topics which have been arranged by exam board specifications. Interactive quizzes to test your knowledge, but don't wait for revision time before you try it out.
Power UpA fantastic site where you can find out about electricity and how to use it safely. Learn about things that run on electricity, circuits, where electricity comes from and much more. There are games to play.
Circuit Construction KitPut together a circuit and test a switch and different items to see if they complete the circuit.
WiredWired is a free atmospheric puzzle-platform game where you must wire up electrical circuits to get through. The circuits become increasingly complex as new concepts are introduced and various components have to be used together.
NASA Kids' ClubNASA provides a safe place for children to learn about NASA and its missions. There are games, slideshows, fantastic photographs and activities to inspire the next generation.
The Open Door WebsiteA research and reference site for students and teachers in biology, chemistry, technology, physics and electronics. Well laid out and with good diagrams this looks like a very useful site.
BBC Higher Bitesize RevisionHigher Bitesize is a revision site especially for those students taking the Scottish higher examinations.
Cambridge International Examinations Study ResourcesCambridge University has developed this excellent support site with exam help resources. There is advice, study checklists, past papers, syllabusus and exam information for students taking their GCSE, A and AS level examinations.
Peep and the Big Wide WorldThe animated series Peep and the Big Wide World has games aimed at teaching science and maths to preschoolers.