How to Study in College http://www.mahalo.com/how-to-study-in-college

These are the kinds of tips that have worked for me. For science you probably have to use whatever works best for you regardless of what anybody says. I think it depends on a number of things. If you can find out reliably what kind of test it is and what it does or does not cover that probably will help because there is usually so much material to cover. Eg. is it fill in the blanks, true/false, long essay, short answers, a lab component, factual, is there a lab component, how much of each is there, are there old exams to study from and does the instructor often repeat some questions or not, do they give you hints about what is on the exam throughout the classes that are reliable or do they like to spring suprises, all of these things can affect how you study because what you have to produce is different so maybe you can do some practice in the kinds of tests you think you will get.

It also depends on what you are like - do you have a mind that is photographic so you see everything once and remember it forever? then you need to find ways to always find what you need. Do you need to repeat everything many times for it to sink in? Does writing things out, speaking them, seeing them in flash cards, redoing homework assignments and back of book examples help, does it help most when friends ask you questions, do you need to write out the answers or are better at speaking them, how much math is needed in your topic and how much practice do you need to do math well AND fast enough to finish by the end of the time allowed, can you quickly look over the exam and make a quick estimate of how much time you can spend on each section so you make sure you finish enough to pass the exam? are there bonus points for extra work that you can do before the exam so that so much of the total mark does not rest just on that one exam? do you get nervous and need to develop a routine to calm you down and focus before or during your exam? Do you already write easily or need help with that? and starting your studying in time? do you organize and stick to your study schedule so you finish reviewing most of the material in advance? here are a few more pages that may help and maybe some of the related links in them. I would recommend taking any study skills workshops or courses offered at your institution because even if you think your studying is great, the instructors are familiar with your programs and probably have some excellent tips that can maybe boost your grade up by as much as a grade or more making the time worthwhile.
More pages and resources: .

How to Stop Procrastinating
http://www.mahalo.com/how-to-stop-procrastinating

How to Proofread a College Essay
http://www.mahalo.com/how-to-proofread-a-college-essay

EVERYONE THAT READS ANYWHERE should read this book it will help:
How to Read a Book by Mortimer J. Adler
http://www.amazon.com/How-Read-Book-Touchstone-book/dp/0671212095/
you will probably find at least one chapter that is focussed specifically on reading for the sciences, you could photocopy that from the library if you did not want to read it all as it covers the different skills of reading needed for different subjects.

So I think you have to know your own particular situation and gear your studying for that - but being an active reader, like they teach you in the book above, and not just passively reading and rereading over and over seems to work best.

It depends on what kind of learner you are. If you are hands on then maybe doing some kind of science research project will help. If you have to hear it to remember then maybe read it outloud. As for me, I take notes on the material BUT I have a rule that I always stick to. Instead of copying the answer word for word I reword the notes so I can remember them better. For example, If I wanted to remember that an hypothesis is an educated guess, instead of writing that word for word I would rewrite it WITHOUT LOOKING so I could remember it better. So my note would be an educated guess is also known as an hypothesis. Also, I look for a website that goes along with the book to help me out. For example, right now I am taking Art History in College and I looked up the author of the book or maybe even the name of the book and there is a website that has flashcards, games and activities that I can do to help me remember important information. Good Luck!

Get enough sleep. No matter how much you study if you're sleep-deprived you'll have short-term memory and reasoning problems (not to mention trouble with decision-making - vital on the multiple-choice sections).

Good luck!

study with breaks of 5 to 10 minutes after every 2 hours

have lots of liquid during exams days this helps to fight disease and no sleep problem

write which you think you will forget

underline important points helps in revision

Always revise what you study once before exam

Be regular to your studies

Study what you don't know that well first, and then try memorizing/understanding the info. If this frustrates you review the stuff you understand more then go back to what you were having problems with. (Repeat Process). In the end you'll probably have a better understanding of everything as a whole and an even greater one of the stuff you already knew well. I also prefer complete silence; maybe you should try a library or study hall. If silence isn't your thing, some people swear classical music helps.
Good luck!