LED, it seemed that the lower the frequency, the less time it took for the alcohol to evaporate. Although, the green LED bulb was an outlier, the rest of the values (on average) met this relationship. Conclusion: The theory behind this experiment was to use previous learning of light and frequency to determine how fast alcohol evaporates when certain colored lights shine on it.

The wavelength and frequency of light are inversely proportional, and wavelength decreases from red to violet. The goal is to investigate the relationship between the frequency of light (color) and the energy produced by different colors of light. The relationship is proportional, as discovered by this activity, and the larger the frequency (such as blue), the longer it takes for the alcohol to evaporate. The results of the experiment produced known errors. Since we were told to make 10 trials, I decided to do 12. Many of the times, the lights would flicker or not light up completely, especially when working with the green.

This is probably why my results produced varied numbers, and why the green LED light was an outlier with the average evaporation time. Some of the times, I accidentally dropped one-too-many drops of alcohol, but I started over and made sure the drop number was consistent, preventing any additional errors. Also, I have to figure that human error had to allot for several timing issues; however, after averaging the times, it seemed to even out the mistakes regardless. I do believe that these results proved to be as precise even after accounting for human error and misreading any procedural techniques.

I do believe I met the purpose of this experiment. The purpose was to investigate the relationship between evaporation times and frequency of light. The only outlier was the green LED light which flickered often so it was difficult to get a focused and continued light. Applying this lab to nature, I know that absorption of the sun rays takes a long time in leaves and green colored plants, which is why growth takes hours or days to notice. Overall, this simple yet effective lab allowed me to view frequency in a new light; the difference of color has a large effect on absorption and evaporation.

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