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Ap 3.03 Lab

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Scoring Guide: Completely Dirty Very Dirty Somewhat Dirty Slightly Dirty Clean 4 3 2 1 0 Data Table: Use the scoring guide above to record the level of cleanliness at each time interval. Water Only: Total wash time (in seconds) 0 seconds 1 second 5 seconds 20 seconds Washer #1 4 3 3 3 Washer #2 4 2 2 1 Average Cleanliness Score 4 3 2.5 1 Soap and Water: Total wash time (in seconds) 0 seconds 1 second 5 seconds 20 seconds Washer #1 4 3.5 2 1 Washer #2 4 3 1 0 Average Cleanliness Score Data Analysis: Create two graphs showing the average cleanliness score at each time interval. One graph will show the average results with water only and the other will show the average results for soap and water. Total time washed should go on the horizontal x-axis (marked from 0 to …show more content…
How do the results of the four trials compare? In both trials zero seconds was so dirty and also had the same average timing. 2. What, if any, errors or inconsistencies may have occurred in this experiment? If there was an error, then results definitely would have been different. 3. What suggestions do you have for improving this lab and minimizing errors or inconsistencies? Be specific. I think it was well put together….. although just a tad bit confusing in directions. 4. Based on these results, what is the importance of soap and time for effective hand washing? The importance for soap and water hand washing is your hands to be clean and it can also prevent diseases and out breaks. 5. What areas of the hands retained the paint the longest, requiring careful scrubbing to get clean? Fingers and nails. 6. Analyze the graphs. What do they indicate about the time it may take to effectively wash your hands? You should wash your hands for about 20 to 30 seconds to be clean with soap and water. 7. Describe the various defense mechanisms your body has to fight pathogens, nonspecific and

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