I have been using these mind maps with my A2 students to discuss the different topics of the WJEC curriculum that is ending this year. I find it very useful for the students to put down on paper what they remember about the topic once we have gone through the lesson. These maps enable them to have a support in front of them when doing class discussions in order to prepare for the oral exam.
In my experience, they are also a great document to have for the student when they revise for their end of year exam. By then, they should have memorised them so it will just be a case of revisiting them for the end of the school year.
You will find here an empty map for the students to fill in, and another teacher's copy to guide the students with ideas however, these are only suggestions.