Experimental procedures are systematic methods used to test hypotheses in scientific research. They involve a series of steps that include planning, conducting experiments, and analyzing results. Researchers must carefully design their experiments to ensure that they are valid and reliable, often using controls and variables to isolate the effects of specific factors. During the experiment, data is collected through observations and measurements. This information is then analyzed to draw conclusions about the hypothesis. Proper documentation of the procedures and results is essential for reproducibility, allowing other scientists to verify findings and build upon the research conducted by the original team.