(15 May 2017, 8:23 pm)R852 PRG wrote Which exam board are you with? I do mine with AQA. I think I would prefer that format in all honesty as I have to revise all three for one paper (admittedly only half of each unit per exam) which is a bit of a pain.
Good - we use OCR for science and the wording of the questions are atrocious.