JoVE: Science Education: video database dedicated to teaching laboratory fundamentals through simple, easy to understand video demonstrations.
e.g. Working in the hood, intro to spectrophotometer, intro to serological pipettes, understanding concentration and measuring volume

The Scientific Reports website from the University of Wisconsin at Madison provides a quick overview of how to write a scientific (or lab) report. They also provide an example of a lab report assignment .

The Writing Centre at the University of Toronto describes a general format for lab reports that you can adapt as needed.

The best books to consult are:

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