American Waterweed Experiment

Words: 1342
Pages: 6

Introduction
Sunlight is the one of the most important contributions to life and growth on earth. All living things on earth require sunlight in order to receive the proper nutrients and vitamins in order to properly grow. For example, Plants use sunlight to perform a process known as Photosynthesis ( 6CO2 + 6H2O + light energy = C6H12O6 + 6O2.), during this process plants use sunlight to synthesize foods from carbon dioxide and water. Without sunlight, most life on earth will suffer tremendously and a lot of life would even die off within the first few days. While light is usually a positive abiotic factor, different rays of light color effect plants differently. Most light that we see is combinations of wavelengths for optimal plant growth,
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For each week's interval, the "control" and "experimental" mostly grew linear, but the "control" increased more than both "experimental" groups. ( Tabel 1) Over the course of 5 weeks, the control grew linearly each week, growing 212.43 g to 220.73g (8.3g). The green "Experimental" group grew from week 0 to week 5222.07g to 228.69g (6.62g). Then from week 3 to week 4, the green "experimental" group growth slightly decreased; Week 4 to week 5 showed slight increase. (Table 1) Over a course of 5 week, the re "experimental group" slightly increase by, but over all this group remained fairly consistent and barley …show more content…
The green "experimental" control group grew slower than the "control" group however, it grew much faster than the red "experimental" group. Throughout the duration of this experiment, the green expirimental group grew a total of 6.62g whereas the red "experiment" group only grew 1.63g.
For the first 2 weeks, it seemed as though all the plant were living a healthy life and maintaining nutrients, but the 3rd week we observed something interesting. The green "experimental" group has developed a greenish film, which cover the top of the water and the plant began to turn a brownish color. These to observations are strong evidence that the green "experimental" group plant was dying uniquely, the plant weight continued to increase. Since our main measurement weight/grown, the continued growth of a plant that looked s if it was dying was extremely