Key elements that need to be documented include: - Experimental Design: Detailed plans of the experiment, including control groups and variables. - Materials and Methods: Specifics of the substances used, equipment, and procedures. - Data Collection: All raw data, including measurements, observations, and any anomalies. - Analysis and Interpretation: Statistical analyses, graphs, and conclusions drawn from the data. - Quality Control: Procedures for ensuring data integrity, such as calibration records and validation checks.