What is the best way to revise AS Physics?

This depends greatly on the indevidual revising, reading over your notes and writing down/ highlighting key points is a good place to start. Make sure you know what topics will be covered in each exam, spend longer looking over the topics you are weakest in.Doing past papers then marking them and looking up what you got wrong helps a great deal in working this out. Websites such as bitesize, or antonine education or books such as the letts "AS in a week" can be very helpful but do not take them by themselves, do your own revision as well, working at the time and in the conditions that allow you to concentrate best. Good Luck.