Investigation 5: Photosynthesis Problem: If the leaf disks are treated in a way you know increases the net rate of photosynthesis‚ should they start to float faster or slower? Why? Hypothesis: If the leaf disks were bathed in a red light source‚ then the rate of photosynthesis would increase than leaf disks that are bathed in a regular light source because chlorophyll absorbs red pigment and reflects green pigments. Therefore‚ shining a red light source onto the leaf disks would cause them
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Title: The success of photosynthesis in geranium leaves using visible light wavelengths obstructed by black paper‚ and red‚ blue‚ and green translucent filters. I. Abstract Photosynthesis is a process in which plants use light‚ water‚ and carbon dioxide to produce sugars‚ water and oxygen. Chlorophyll a and chlorophyll b‚ in the chloroplasts of a leaf‚ are responsible for absorbing wavelengths of light for use in photosynthesis with red and blue wavelengths being optimal. Testing
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The Effect of Different Light Colours on Plant Growth Dianne R. Calub Marshela Alpha B. Gesmundo BS-Environmental Science Prof. Jayson Antonio Chemistry Department January 04‚ 2012 Abstract The goal of this study is to learn how the colour of light affects photosynthesis‚ to identify the effects of different coloured lights on plant growth‚ and to identify the potential use of different light colours as a growth regulator. An experiment was performed with the help of 7 students. Mustard
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Stage 1 “light sleep”. In this stage of light sleep‚ which lasts about 5 to 10 minutes our brains activity powers down by 50 percent or more‚ producing theta waves. Theta waves occur four to seven times per second. Moreover‚ these waves are slower than the beta waves of 13 or more times per second produced during active alert states and the alpha waves of 8 to 12 times per second when we’re quiet and relaxed. As we start to drift off to deeper sleep‚ we become more relaxed‚ and we may experience
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How does light intensity affect the rate of photosynthesis? Poorly Pondweed Questions 1) How does light intensity affect the rate of photosynthesis? 2) How does temperature affect the rate of photosynthesis? sunlight carbon dioxide + water glucose + oxygen chlorophyll sunlight 6CO2 + 6H2O àààààà C6H12O6 + 602 chlorophyll Prediction I predict that the more intense the light‚ the higher the rate of photosynthesis. To photosynthesise‚ plants need light. It provides the energy for the process
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Introduction: Photosynthesis can be defined as light energy being converted into chemical energy‚ which is a very important process for plants and other organisms. Light can be described in terms of light quantity and light quality. Both of these have an affect on photosynthesis. The more light a plant absorbs the more the plant is able to photosynthesize. This light is absorbed though pigments which have specific interactions with certain light waves (colors). The goal of my first experiment
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Jeanette Jones Biology Period:2nd Research Essay #2 Photosynthesis is a very beneficial process. It consists of products that are an good impact on different things like its impact on species. Plants are important in regards to everything living and everything period. One way I believe photosynthesis is most beneficial in its relation to species. All living things go through a process. Plants in particular are very important
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This experiment focuses on the effect of light intensity on the rate of photosynthesis. In simple terms this refers to how the production rate of the products of photosynthesis (oxygen and glucose) will be affected by a light source at different distances. The hypothesis states that “If there is a higher light intensity‚ then more oxygen and glucose molecules will be produced‚ and the rate of photosynthesis will increase.” This hypothesis was accepted. This was determined by counting the number of
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if I leave a plant in continuous light‚ then I expect that the plant will grow/ produce less than a plant in a normal amount of light from 6am to 9pm. This experiment was done‚ so that indoor growers know if they need to turn off their grow lights at night‚ or set them on an alarm‚ so that they can get full potential food production. There are many people without food‚ so this would help if one can produce more food. Only one of my trials supported my hypothesis‚ of the plant in normal light will
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For this experiment I am investigating how the light intensity as my limiting factor will have in impact on the amount to oxygen produced‚ to should the rate of photosynthesis.Therefore‚ all the controlled variables must remain constant‚ if not there could be an affect on the accuracy of the dependent variable. The CO2 levels are the same for each trial because before placing the sodium hydrogen carbonate i will weigh it with a measuring scale for 1.5 grams. After completing the five measurements
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