While you're waiting for an answer, did you know we have 300,000 study resources that could answer your question in TSR's Learn together section?
We have everything from Teacher Marked Essays to Mindmaps and Quizzes to help you with your work. Take a look around.
If you're stuck on how to get started, try creating some resources. It's free to do and can help breakdown tough topics into manageable chunks. Get creating now.
It depends on what exam board you will be taking and if you will be interested in the topics. On the whole it shouldn't be very mathematical, most of it will be essays.
I guess a more specific question would help us give you better answers :P