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How does the variable, light Intensity affect the rate of photosynthesis?
Member rating: No Rating | Words: | Submitted: Fri Sep 12 2003
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How does the variable, light Intensity affect the rate of photosynthesis? Aim: My aim is to investigate whether the variable, light intensity affects the rate of photosynthesis. Prediction I predict that as the distance from the lamp is increased, the level of oxygen is decreased, which means that process of photosynthesis reacts better when there is more light intensity because a greater amount of oxygen is produced. Results: Distance from lamp (cm) Volume of Oxygen produced (mm3) @ 3% HCO3 Experiment 1 Experiment 2 Experiment 3 20 88 82 83 40 79 76 88 60 49 48 50 80 40 40 40 90 22 25 24 100 17 19 18 Each experiment done to see how much oxygen was produced from the different light intensities was repeated three times to get reliable results, also so I could work out a average amount of oxygen produced from each light intensity. The variants are 20cm between 20 cm to 100cm. The value I got in experiment 3 when the distance from the lamp and the plant was 40cm, I found that it produced 88mm3 of oxygen. This...
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