Electrolysis
This is an adaption of the excellent resource provided by Tes member Kiza16 who did all the work, all I did was adapt it for my group. It was adapted for a capable Y11 triple science group.
Links to videos on youtube are provided if these become inactive/removed and you need the videos let me know. The worksheet is designed to go along with the powerpoint with videos shown when the pupils get to the corresponding question.