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My aim is to find out if light is needed for photosynthesis.
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Photosynthesis Experiment Aim: My aim is to find out if light is needed for photosynthesis. Introduction: Photosynthesis is needed for a plant to grow and to stay alive. When photosynthesis occurs the plant makes a substance called starch which gives the plant energy. You can tell if a plant has been photosynthesising when it produces starch. Method: This test must be done using a control with which to compare the result. The control plant must be given everything it needs, including factors we are investigating. 1. Remove all of the starch from the plant's leaves. This process is called de-starching and it is done by putting the whole plant in the dark for three days or more. This is important because your results will all be the same if you don't. 2. Double check that there is no starch left in the plant by doing an iodine test on its leaves. If the leaf goes blue...
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