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An Investigation to Determine the Effect of the Amount of Light Available on Rate of Photosynthesis in Pondweed Aim To determine to what extent the amount of light available to pondweed affects the rate of photosynthesis. Prediction I predict that as the amount of light increases the rate of photosynthesis will increase, however, above a certain level of light, other limiting factors such as heat, carbon dioxide and available nutrients will stop photosynthesis occurring any faster, and unless these other factors are made more available, increase in light will make no difference. If light is decreased from a natural level, photosynthesis would slow and eventually stop because the equation for photosynthesis is not complete without any energy from light. Equipment Measuring Cylinder Water Pondweed Funnel Beaker Lamp Diagram Plan Firstly, a beaker will be taken and filled with water as close to room temperature as possible, to prevent the temperature from changing during the experiment, then a 5cm piece of pondweed will be laid...

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