Reading your textbook will broaden your understanding. Make short notes for yourself to study from.

Listen to audio on the topic and write down some key notes that will help you better understand what you are learning.

Make your own notes from what you have read in your textbook. Write questions that you think may come up in an exam and answer them later. This is a good way to test your understanding and it will help you remember it.

Read your textbook out loud or try and teach the topic to someone else.

Mind maps are a great way to break down information into a simple diagram that can be remembered more easily. You can redraw the diagram and leave blank spaces to fill in later. They're a good way to test whether you know the topic.

Use past test papers to quiz yourself.

To improve your memory it's important to use different formats of learning to go back over information that you have learned.

Fueling the mind is an essential element of increasing focus and concentration. Research has indicated that students learn much better when they're well nourished.