This is a work in progress as I am collecting resources that might be useful for The Boy next year.
Batty Boffin Fun science and maths videos from The Batty Boffin. Hands-on chemistry, physics, biology and maths for KS2, KS3 and GCSE. – Good bits for GCSE.
Save My Exams Resources for all the science’s (and Maths) for Edexcel, AQA and CIE. At IGCSE, GCSE, A Level etc.. some free, but to get the most out of the site it is best to subscribe to full membership – not too expensive.
Great little videos explaining all things Physics.