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Shanshan wang 5/17/06 cell biology Photosynthesis Lab Report Purpose The purpose of this experiment is to explore the factors that might affect the rate of photosynthesis. In our own experiment, our purpose was to determine how different light condition/intensity affects the rate of photosynthesis. Hypothesis According to the concept of photosynthesis, elodea could produce oxygen and glucose if water and carbon dioxide, light are available. So in our experiment, we try to measure how much oxygen could be produced under different light condition. The higher watt light bulb would provide more heat which could fasten the rate of photosynthesis. So we predicted that the higher watt the light bulb is, the more oxygen will be produced. Materials 3 beakers one 25 watt light bulb one 60 watt light bulb 3 small test tubes 3 sprigs of elodea, each one is 4cm Graduate cylinder Marker Water 3 lamps Procedure 1 Use a piece of elodea. Cut the elodea stem and make sure each of the sprigs is...

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