Hypothesis (Null): There will be no effect upon different distance intensities of light on the terrestrial isopods. IV: The different distance intensities of light at specified lengths (1 meter‚ 2 meter‚ and 3 meters) DV: The number of terrestrial isopods (rolypolies) on the unlighted side on the petri dish. Control: The unlighted side of the opened up petri dish. Purpose: To determine the light sensitivity of terrestrial isopods (rolypolies) in different levels of lighted environment. Number
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Effects of Wavelength and Light Intensity on Photosynthetic Activity ABSTRACT The photosynthetic process of eukaryotes revolves around chlorophyll‚ the substance that give plants their green color. Plants convert light energy into chemical energy by means of photosynthesis. This experiment tests the reaction rates of a chloroplast suspension against variables of wavelengths and light intensity. Both a control and an experimental cuvette were exposed to a range of 450 to 750nm of light and varying
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The effects of different wavelengths of light on the rate of photosynthesis Introduction This experiment was performed to investigate the effects of different wavelengths of light on the rate of photosynthesis. If a multiple colored film petri dishes are place under a 50 watt lamp‚ then the rate of photosynthesis will be greater for those with red‚ blue and clear film‚ than those with green and black film. We believed the petri dishes with the red‚ blue and clear film would produce the best
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Light Lab Report Introduction: Without light‚ plants would not be able to carry out photosynthesis (McKenney‚ Peffley‚ and Wilmington 49). Photosynthesis is responsible for providing the plant with nutrients it needs to thrive and grow. Without the proper nutrients‚ it is difficult for a plant to continue to live. Therefore‚ photosynthesis is necessary for a plant’s vitality. The goal of this experiment is to observe and identify the impact that light has on a plant. Hypothesis: If light
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Spencer Troetschel ; 2915; Mr. Krotec; Honors Bio Period 4 Photosynthesis Lab Report I. Introduction The photosynthesis lab is designed to quantify photosynthesis‚ enabling a number of variables to be tested for their effects on photosynthetic rate. The production of oxygen‚ is used as an indirect measure of photosynthetic activity.The lab allows the examination of the effects of different wavelengths of light on photosynthetic activity. The other aspect of the lab includes
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Effects of Photosynthesis of Spinach Leaves in Different Light Conditions Introduction Photosynthesis is the process of converting solar energy‚ carbon dioxide (CO2)‚ and water (H2O) into carbohydrates (CH2O) and oxygen (O2). Sometimes the end product of photosynthesis is glucose (C6H12O6). Photosynthesis takes place in the chloroplasts of plant cells. Here membranous thylakoids are stacked in grana surrounded by the stroma. During the light reactions‚ pigments within the thylakoid membranes
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The data found in this experiment supported the initial statement in the hypothesis‚ that blue would have the highest rate of photosynthesis (see Figure 7). The second part of the prediction was refuted by the data‚ as green had a higher rate than both yellow and red. This result seems to go against the experiment‚ however the answer is in Figure 5. When adding green food coloring to the solution (see Methods) dilution also took place. When comparing the wavelength of 540 nm (see Tables 1 & 2) with
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Abstract Elodea‚ also known as Elodea Canadensis‚ or waterweeds‚ lives favorably underwater. You can find Elodea mainly in natural waters in North America such as ponds‚ rivers‚ or lakes. Elodea has expanded all over the world as well‚ particularly in Europe. This aquatic plant multiplies rapidly and grows in a variety of conditions and environments‚ which is why it’s considered a weed. Elodea is often used in aquariums to stabilize the oxygen balance. It’s a fierce photosynthetic which makes
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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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Title and Author 1. The Effect of Extreme Temperatures on the Rate of Photosynthesis 2. Jeffrey Xia 2. Abstract A previous lab in which we conducted‚ tested whether or not the light intensity had an effect on the rate of photosynthesis. We concluded that light intensity did possess an effect on the rate of photosynthesis – the closer the experimental plant units were to the light source‚ the more experimental plant units exhibited the effect of gas exchange in photosynthesis. Therefore‚ in this
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