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An Investigate into the Effect of Light Intensity on The Rate of Photosynthesis
Member rating: No Rating | Words: | Submitted: Mon Aug 18 2003
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An Investigate into the Effect of Light Intensity on The Rate of Photosynthesis Submitted by Simi Wang Aim The investigation aims to find the effect of light intensity on the rate of photosynthesis. Predication Before experiment, it is predicted that if the light intensity is increased the rate of photosynthesis will increase. Why? Chlorophyll Carbon Dioxide + Water Sugar + oxygen Sunlight Chlorophyll Sunlight Figure 1. Formula for Photosynthesis As shown in figure 1, in order for any plant to photosynthesis it needs three main raw materials: 1. Water 2. Carbon Dioxide 3. Light These are also known as 'limiting factors' of photosynthesis (another limiting factor that has not been mentioned above is temperature). Therefore, if the limiting factors are increased, the rate of photosynthesis should also increase. From figure 1, it can be concluded that photosynthesis couldn't happen without light. This is proven from a previous experiment, comparing a plant that has all the raw materials to photosynthesis, with a plant that has light limited. The...
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