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. In doing so, oxygen is a product while carbon dioxide is a reactant that is used up during photosynthesis. ... We did not want heat to be a variable in the experiment. We will count the emerging oxygen bubbles as … How might the tank hinder the lab? Photosynthesis is the biological process that converts sunlight into chemical energy. These plants can bring out photosynthesis even they are surrounded by water. Hydrilla plants are water algal plants. Science behind the experiment. 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. The bubbles you observed on the leaf and sides of the glass were oxygen. Study 12 Photosynthesis #3 (Oxygen Production) flashcards from Mark R. on StudyBlue. It provides the basis for life on Earth and is the ultimate source of all fossil fuels and of the oxygen we breathe. Demonstrating oxygen formation during photosynthesis can be a tricky process. Oxygen Release in Photosynthesis Protocol. The we breathe contains 21% oxygen produced by plants. As seen in the graph, when the temperature reaches a certain level, the rate of oxygen production begins to decline. Leaves take in carbon dioxide and through the process of photosynthesis they create food for the plant. Write 2-3 sentences conclusion with explanation in terms of the process of photosynthesis. Oxygen gas (O 2) is a byproduct of this reaction. Oxygen production by photosynthetic organisms explains why earth has an oxygen-rich atmosphere. The equation for photosynthesis can be written as follows: 6CO 2 + 6H 2 O + light energy → C 6 H 12 O 6 + 6O 2. Here use Hydrilla plants. Oxygen is a by product of this and goes into the air. One common way is to gather bubbles of gas given off by an aquatic plant. 9. In the first experiment, we will be using the same plant you examined in Lab 3 called Elodea. Study 12 Photosynthesis #3 (Oxygen Production) flashcards from Mark R. on StudyBlue. Introduction. Still, the alternative hypothesis which was light is a necessity in the production of oxygen during photosynthesis was supported. It is employed by plants, algae and certain bacteria. The production of oxygen by photosynthesis is most easily seen in water plants such as Elodea and Cabomba. This teaching resource introduces Cabomba, a pondweed which is much more effective than the traditional Elodea. The conditions that I set in the lab are the intensity of light, the temperature, Carbon Dioxide levels, Color, and the wavelength of light. The production of oxygen is used to measure the rate of photosynthesis as oxygen is a byproduct of this process. In the leaf-disk assay, all of the components necessary for photosynthesis are present. 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. Using synthetic compound Nafion, Splitting water will be converted into oxygen and hydrogen. The aim of the experiment: To prove that oxygen is evolved in green plants during photosynthesis. You have learned that photosynthesis involves the conversion of carbon dioxide and water into organic molecules such as glucose. 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