Pre-labs are generally a few (mostly easy) questions that test your knowledge of the lab material prior to coming into the lab. Your TA will check them before the lab begins. The point of them is to make sure you're not clueless throughout the lab :p
The bio pre-labs are LONG because they expect you to write out all materials used in the lab, and the entire procedure, word for word. They are also expected to be neat (rulers for underlines, charts and tables put into your lab notebook before the lab begins etc.)
Chem pre-labs are a bit easier. There are only about 3 questions, plus writing the purpose of the lab/paraphrasing the lab procedure. The questions generally involve 1-2 theory questions and one practical calculation that you will use the same equations/steps for in the lab you're carrying out.
The physics 1B03 prelabs are just a single sheet (part of the lab course material you buy) you get checked before entering the lab by the lab instructor Alex. He checks all the answers, and if you get one wrong you have to correct it before entering the lab.
The procrastinator will do these the night before, the hour before, or even in the hallway outside the lab. DON'T DO THIS. If you do your prelabs with ample time beforehand, your stress level will probably be a lot lower when you're doing your lab!
Last edited by Freak705 : 08-11-2011 at 09:01 AM.