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Investigate a factor that affects the rate of photosynthesis.
Member rating: No Rating | Words: | Submitted: Wed Mar 10 2004
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Aim: To investigate a factor that affects the rate of photosynthesis. Introduction: A measured piece of pondweed will be cut and placed into a beaker containing measured amounts of water and sodium hydrogen carbonate. A lamp will be shined on to the pondweed and the amount of bubbles that are produced from the plant will be counted. The lamp will be adjusted to different distances from the plant to try and obtain differing results. The point of this experiment is to find out how light intensity affects the rate of photosynthesis. The equation for photosynthesis is: 6CO2 + 6H2O = C6H12O6 + 6O2 Carbon Dioxide + Water (light energy) Glucose + Oxygen Light intensity will be the controlled variable looked at in this investigation. Increasing or decreasing the distance from the light source to the plant varies the light intensity. Fixed Variables Why the rate of photosynthesis increases or decreased from the amount of...
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