Revision is the act of re-viewing, or PRACTISING, your learning. This is the key bit of learning things long term so you KNOW them.
The act of revising, or practising your learning, is crucial to putting things into your long term memory; it is, at its heart, the act of learning.
Check out this video to the right about how revision - or practice - helps you to commit things to memory.
The key thing for revision is to make it active. If you are only reading your notes, you will send yourself to sleep. Also, if you make your revision active, if you make it that bit harder by testing yourself and challenging yourself, you will form better, stronger and more efficient neural pathways - that is to say, you will learn better.
The trick is though, to find revision strategies that work for you. So below are a whole lot of ideas for how to revise.
you could try using flashcards to learn them: either digitally or on good old fashioned paper.
you might like to try mindmapping to connect concepts and ideas
you might like to try sketchnotes as pictures help
Practice papers - practise makes perfect; even if you are just doing an outline plan. Try marking your paper against the exemplars on the NZQA subject page (check out this short how to video that will guide you on how to find things)
Having a bank of essay connectives (check out this page from the University of Melbourne) to help make writing longer answers easier
Check out the StudyIt website and their Q+A forums. These connect you to experts and other students from around the country in English, the Sciences and Maths. They are linked off the two buttons below: