Investigation of the rate of photosynthesis of pondweed. Research question: How does the concentration of sodium bicarbonate relate to the amount of oxygen produced by Elodea (Canadian pond weed) in the process of photosynthesis? Hypothesis: If there is an increase in concentration of sodium bicarbonate the amount of oxygen produced will increase because the sodium bicarbonate concentration will increase the carbon dioxide levels. Independent variable- Concentrations of sodium bicarbonate (8%
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Photosynthesis 1. Would you illuminate your house plants with a green light bulb? Why or why not? It would not be a wise choice to put a plant under a green light bulb. The reason for this is that due to the fact that the leaves are green they reflect green light. This shining green light onto the flowers will cause photosynthesis to stop. Since the light is being reflectd‚ the cells do not get any light. With out light they cannot carry out the everyday occurrence of photosyntesis. If the
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Based off the results from this lab the student was able to determine and have an overall better understanding of the variables that affect the rate of photosynthesis in a plant. The first variable the student tested in the lab was 30cm of light with CO2 present. The student started this trial with all 10-leaf disks and timed how many leaf disks came up every minute for 15 minutes. One minute into the trial and the student recorded that no leaf disks had yet to rise to the top of the solution. At
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product of photosynthesis‚ which is the process that converts energy in sunlight to chemical forms of energy that can be used by biological systems2. Many organisms are not able to use the energy obtained from sunlight directly; however‚ plants are able to use this energy and convert it into chemical energy by converting CO2 (carbon dioxide) and H2O (water) to organic materials3. The energy source for photosynthesis comes from sunlight‚ which allows for the fuel that drives photosynthesis. This process
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many variables that could affect the rate of photosynthesis and the net consumption of carbon dioxide. In this experiment‚ the effects of how the intensity of light energy affected photosynthesis were observed. Two pieces of elodea was placed into separate beakers and one of the beakers was placed under a bulb of lower intensity and the other beaker being placed under a higher intensity bulb. The results showed that the beaker under the higher intensity light energy had a higher consumption of carbon
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An experiment to investigate the effect of temperature on the rate of reaction of the Enzyme Trypsin. Aim: This investigation was on the effect temperature has on the rate that the enzyme trypsin hydrolyses its substrate‚ a protein found in milk (casein). This investigation was conducted under controlled conditions‚ the temperature being the changeable variable. Trypsin and its substrate (powdered milk which is a source of the protein casein) were heated in a water bath. The contents of the two
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The Effect of Water on Germination and Plant Growth in Marigolds Question: How does the amount of water given to a plant affect how much it grows? Hypothesis: If I give water to a marigold seed then it will germinate and the plant will grow more than a seed not given water. Independent Variable (IV): the amount of water given a seed/plant Dependent Variable (DV): the amount of plant growth Control Group: The group of plants given water Experimental Group: The group of plants given no water
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Influence of the Amount of Light on Photosynthesis and Transmittance “I pledge that no unauthorized assistance has been given or received in the completion of this work. Experiments described were performed by me and/or my lab group and this write-up is entirely my own creative work.” X________________________________________ I. Introduction Photosynthesis is the process that plants use to convert light energy into chemical energy. The reactants of photosynthesis include carbon dioxide (CO2)
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ctLIST OF CONTENTS Chapter No | Title | Page Number | | Executive Summary | | 1 | Organizational Study | | 2 | Research methodology | | 3 | Review of Literature | | 4 | Data Analysis and Interpretation | | 5 | Findings and Suggestions | | 6 | Conclusion | | | Bibliography | | | Annexure | | LIST OF TABLES Table No: | TITLE | Page no: | 4.1 | Table showing gender of customers | | 4.2 | Table showing income level of customers | | 4.3 | Table showing
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Photosynthesis is the process by which light energy is used to convert inorganic compounds into organic substances with the subsequent release. There are many factors which can have an effect on the process of photosynthesis; in this laboratory experiment‚ the focus lies on carbon dioxide (CO2) availably and its effect on photosynthesis. By understanding the component that affect the rate of photosynthesis‚ one can do work to try and increase the rate of photosynthesis. The purpose of this laboratory
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