Hello iam new to this student community and and ill br giving GCSE O'levels Physics this May 2014 and i badly want an A* grade.Iam not that much of a good student but my teacher says that if a target an A*, i will get an A and if i target an A, i will get a B. So my teacher wants me to get an A. Soo please any tips and revision help i can get? Also can you tell me what type queations comes in the xams? I mean experimental or maths solving questions and stuff. And which chapters to concentrate more?