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Determine whether intensity of light and temperature would affect the rate of photosynthesis in a plant.
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How light intensity and temperature affects the rate of photosynthesis Aim The aim of my experiment is to determine whether intensity of light and temperature would affect the rate of photosynthesis in a plant. To do this, I will place a piece of pondweed in varying light intensities and temperatures, and observe the amount of oxygen being given off. I am using pondweed because of its unusual quality of giving off bubbles of gas from a cut end, when placed in water. Introduction Photosynthesis occurs only in the presence of light, and takes place in the chloroplasts of green plant cells. Photosynthesis can be defined as the production of simple sugars from carbon dioxide and water causing the release of sugar and oxygen. The chemical equation for photosynthesis can be expressed as: (light) 6CO2 + 6H2O-------------- C6H12O6 + 6O2 (In the presence of chlorophyll) The word equation: Carbon dioxide + Water------------ Glucose + Oxygen The fact that...
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