If the flaws result from the experimental design explain how the design might be improved. What does it all mean? Avoid interpreting the results save this for the discussion.
There are various other headings one may find for this section of the report, such as "Experimental Procedure," "Experimental," or "Methodology.
Simply state what you know now for sure, as a result of the lab: Quick Conclusion Reference. DO NOT include any raw data.
It is normally desirably to test as quickly as possible after sampling in order to avoid potential sample contamination. Conclusions Most of the time the conclusion is a single paragraph that sums up what happened in the experiment, whether your hypothesis was accepted or rejected, and what this means.
Look at examples in journal articles. Include spaces either side of equals sign. Use double-line spacing of text, font size 12, and include page numbers.