The Robert Gillespie Academic Skills Centre offers individual consultations on the writing and planning process, and on study skills.
U of T Writing: How to Write Lab Reports
"A good lab report does more than present data; it demonstrates the writer's comprehension of the concepts behind the data." U of T writing.
Don't forget to use that Assignment Calculator link for almost-interactive help with writing lab reports:
Once you are in the Assignment Calculator, other resources will be suggested to you using links. You will also get a schedule listing all the parts of the lab and the dates by which you should complete them to make it by the deadline.