Write it as if you were giving direction for someone else to do the lab. The procedure must be written in past tense with a passive voice or similarly, write as though it has been done by nobody in particular. The labeling must be in the lower case and spelled correctly.
More Info on Graphics: Introduce each graphic before it appears in document. You might be required to discuss in depth about what you learned as well as expound on your results. Readers will not know the purpose of a graphic until you tell them. Open the introduction by listing your hypothesis in one sentence.
This is where you need to once again write what your experiment has shown, but this time you need to use words instead of data.
Use graphics to enhance understanding of material, In long reports, redundant pix can be moved to an appendix.
Introduction: This should briefly state in your own words what you are trying to accomplish and why you are performing the experiment. The information to be included should not be detailed excessively, but it should consist of just enough information.
You may see this again in an exam hence it will be best for you to know it yourself. DO NOT write a list of steps. Data encompasses what you recorded when you conducted the experiment. Do not include graphs of each individual trial.