Re-read your notes or revision guide and then try to read them again from memory, this helps if you don't like writing.
Mind-maps - draw mind-maps to recap information you already know and add to it in a different colour as you read though your notes, this will allow you to see what you don't know.
BBC bitesize - online interactive revision with quizzes
Flashcards - great for languages and definitions you need to know
Re-write your notes this helps you remember then you can even try to condense them each time you rewrite them until you have just a work or phrases to help you remember.
Teach someone - This helps even if you use your notes you going over the information again, if you can't teach anyone pretend(you don't have to talk out loud).
Practice exam questions - you need to learn exam technique as well as the information.
Find what works best for you, don't do something if it's not working. What do you do to revise?
