BIOL134 Week 14 Course Project Experiment Report; The Effect of Wind Speed on a Plant s Rate of Transpiration
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Abstract
The purpose of this experiment was to test how wind speed affects the transpiration rate of a plant. The hypothesis that was tested was, “The introduction of wind will increase the rate of transpiration. Since the saturated air will be replaced by dryer air, it will cause transpiration to increase but the ‘high wind speed’ will decrease the rate of transpiration by causing the plant’s stomata to shrink from being too cold.” The experiment used the Vernier gas pressure sensor to identify the changes in rate of transpiration under varying wind speeds using a fan with a high and low setting. The experiment revealed that wind speeds do influence a plant’s rate of transpiration compared to the control or a “no wind” environment. The results concluded that as the speed of wind increases, the plant’s rate of transpiration increases.
