“How to Write Lab Report in the form of a Scientific Paper” by Sarah Deel of Carlton College. It can be downloaded in pdf form from her Lab Report link at .
This short document describes how to write a good report. This is based on common mistakes observed over a period of time. While most of the following elements apply in general, they have been written with BTech/MTech/PhD students in mind. If you're looking for how to write a lab report for elementary or high school, see Tips.
How to Write a Lab Report - Foothill College