The production of oxygen by photosynthesis is most easily seen in water plants such as Elodea and Cabomba. In the leaf-disk assay, all of the components necessary for photosynthesis are present. Introduction. The aim of the experiment: To prove that oxygen is evolved in green plants during photosynthesis. 9. Oxygen gas (O 2) is a byproduct of this reaction. In this experiment (Figure 9.2), we will study the effect of light intensity on the photosynthetic activity of Elodea canadensis.We will vary the light intensity by changing the distance between the light source and the plant. This experiment is a continuation of the experiment "Oxygen Production in Elodea in Direct Light, Distant Light, and Darkness.Temperatures under 15C will not affect oxygen production in photosynthesis yet temperature over 40C will greatly increase oxygen production. This teaching resource introduces Cabomba, a pondweed which is much more effective than the traditional Elodea. Study 12 Photosynthesis #3 (Oxygen Production) flashcards from Mark R. on StudyBlue. Science behind the experiment. Study 12 Photosynthesis #3 (Oxygen Production) flashcards from Mark R. on StudyBlue. Still, the alternative hypothesis which was light is a necessity in the production of oxygen during photosynthesis was supported. The equation for photosynthesis can be written as follows: 6CO 2 + 6H 2 O + light energy → C 6 H 12 O 6 + 6O 2. As seen in the graph, when the temperature reaches a certain level, the rate of oxygen production begins to decline. One common way is to gather bubbles of gas given off by an aquatic plant. This shows that the rate of photosynthesis and oxygen production increases as the temperature increases but declines after the temperature reaches around 25 degrees Celcius. It is employed by plants, algae and certain bacteria. Hydrilla plants are water algal plants. Oxygen production by photosynthetic organisms explains why earth has an oxygen-rich atmosphere. Write 2-3 sentences conclusion with explanation in terms of the process of photosynthesis. We will count the emerging oxygen bubbles as … The we breathe contains 21% oxygen produced by plants. Oxygen Release in Photosynthesis Protocol. The production of oxygen is used to measure the rate of photosynthesis as oxygen is a byproduct of this process. Using synthetic compound Nafion, Splitting water will be converted into oxygen and hydrogen. Photosynthesis is the biological process that converts sunlight into chemical energy. Demonstrating oxygen formation during photosynthesis can be a tricky process. In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. These plants can bring out photosynthesis even they are surrounded by water. You have learned that photosynthesis involves the conversion of carbon dioxide and water into organic molecules such as glucose. 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