You perform much better when you warm up before strenuous physical exercise. The same applies to Chemistry, too: if you warm up your brain before coming to class, you’ll feel more alert during the lesson and you’ll learn heaps more as a result. Here are some of the benefits of warming up before coming to class.
The best warm-up: read the textbook before class
One of the best warm-up drills is to read the relevant textbook section before going to class. Try to pre-read your textbook section no more than 24 hours before the lesson takes place; for example, during breakfast. Even though not all of the information made sense to me during this initial pre-read, it will at least make you understand the lectures a little better. Knowing key definitions before the lecture begins is crucial to understanding much more of what the lecturer is saying. You’ll also walk into the classroom with questions already in your head, ready to ask. This impresses the teacher and your classmates.
Learn more about how to use a textbook here.
During the lesson: make Cornell Notes
FOCUS during the lesson and make Cornell Notes while the teacher is talking. In addition to writing down key information the teacher tells you and writes on the board, write down any questions you might want to ask them later. Cornell Notes are an excellent way of doing this: you put your question in the Cue Column and leave the right part blank: you can fill this in with your answer at a later date (or by asking the teacher at the end of the lesson). Trying to formulate questions to pose to the teacher while you listen to a lesson is a good way of committing the information being learned to your long-term memory. This works because you’re invoking higher-order thought processes and learning more actively.
Read more about active learning here.
After the lesson: review your notes within 24 hours
Students who review their notes achieve higher grades than those who don’t. Repetition is key: the more times you see, hear or read something, the more you’ll remember it. Re-read your notes one day, one week and one month after you write them to keep them fresh in your mind.
With this in mind, review your notes within 24 hours of the lesson and again at regular intervals afterwards. You’ll need to continually improve your notes after you’ve made them: answer questions you left blank in the Cue Column, insert definitions to confusing words, and label the diagrams you left blank during the lesson. Stay ahead of that forgetting curve!
Don’t have time to pre-read the textbook? Nonsense!
Skim-reading your textbook section over breakfast takes about 10 minutes, and reading and highlighting key definitions takes just another 2 minutes. By investing 12 minutes of time before class, you’ll learn more during the lesson and waste less time afterwards trying to decode what the teacher was saying. You’ll also have the confidence and the ability to answer to more questions in class. Your peers will start to see you as the person who always knows the answer to the teacher’s questions, which gives you a self-fulfilling reputation for being ‘smart’.
Reviewing and fleshing our your notes after class doesn’t take long, either. The exact time depends on the difficulty of the topic. Remember that the time you invest doing the above three things will pay off during the examination. If you don’t have time to do these three things, then make time. Get reading!
How do you warm up before class? What study habits help you the most? Share your ideas in the comments section below.
James Kennedy 
I’ve never understood the concept of highlighting or even re-reading textbooks. If you pay attention the first time, why on earth would you need to read it again? In school, I found the act of taking notes during a lecture to be the only study I ever needed. I’d never look at the notes again, because I didn’t need to — simply taking the notes planted the information in my head. Why would anyone need to look at something four or five times to remember it?
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Extensive research has shown that you need to re-read and re-learn things in order to make them stick in your head.
Repetitive pop songs are the most memorable ones for exactly this reason.
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