GCSE Bitesize electrolysis has revision pages (that take you through the topic), a test and an activity. Doc Brown has a matching pairs quiz & worksheets on electrolysis, just scroll down to ’21 electrolysis and its applications’. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it.
IGCSE Chemistry: Electrolysis, an 11m lesson from ChemistryKlipz.
Science Bank 2 (Electrochemistry): part 1 – electrolysis of a melt (to 5m 30s); part 2 – electrolysis of solution (to 9m 30s); part 3 – electroplating (to 14m 15s):
Bill Nye (the Science guy) explains what Energy is and how it can be transformed from one form to another and here is his episode on Electricity.
KS3 Bitesize foundation level – Energy Resources – a video covering the different forms of Energy & Energy Resources & KS3 Bitesize higher level – Conservation of Energy – a video covering Energy Transfer & Storage, Temperature & Thermal Energy and Conduction, Convection & Radiation.