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Science Of Sweat Experiment Essay

795 Words4 Pages

Science of Sweat Experiment Evaluation

This experiment aim was to explore how sweating affects the human body, through a model of this process, with the body being represented as a test tube filled with warm water and the skin represented as a paper towel covering the test tube. The independent variable was the state of the paper towel; a wet, a dry, and none. The independent variables were considered the different tests tested. The strengths of the method used include the controlled variables of the experiment. They are the volume of the water, the layers of tissue, the type of tissue and the size of the test tube. These variables help keep the experiment fair between the tests performed. A strength of the model is that it was simple and …show more content…

One of the issues was pouring the water in the different test tubes at the same time, as only one member of the group poured in the water into the test tube at separate times. This is an issue as it makes the initial temperature for each of the test tubes lower than the recorded initial temperature (43 degrees Celsius) because the room temperature can cool down the water when the timer isn’t activated. It also affects the data as the temperature change for the first 3 minutes can’t be observed, so I can not know if the temperature for each of the test tubes decreased fast or slow from 0 to 3 minutes. This effect has great significance to making the data inaccurate, because the calculated temperature drop most likely is incorrect, meaning the evaluation of the hypothesis - that is based on the temperature drop - could be also wrong. Additionally, I can not observe an accurate reliable pattern between the different tests, because of the altered data. Although, regardless of the incorrect data I still could observe how each of the temperatures decreased differently for the period of time for each of the test tubes, because of coincidental having a hypothesis supported by the data. A realistic improvement that can reduce the impact of the issue on the data, is having the three members of the group, each of them in charge of a test tube, so each person will pour the amount of water needed, start the timer when they finish (each member will have a timer), measure and record the temperatures they get from the test tube they are in charge of. The results will be shared between the members

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