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Design a practical experiment to investigate the effect of light wavelength on the rate of photosynthesis.
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| Submitted: Tue Sep 02 2003
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Design a practical experiment to investigate the effect of light wavelength on the rate of photosynthesis. Aim: To investigate the effect of light wavelength/ colour of light on the rate of photosynthesis. Materials: Glass Jar, test tube, cork, pond weed, clamp, small lamp, sticky tape, red, blue, yellow and green filters, Stopwatch, small knife. Procedure: * Fill the glass jar nearly to the top with water. * Take one strand of pondweed and cut the end of the stem with a pair of scissors or razor. * Fill the test tube with water to the top of the cork. Slide the cut end of the pondweed stem through the hole in the cork so that they are held firmly in place. * Hold the test tube horizontally and then turn it upside down so that the pondweed enters the jar and attach the test tube to the clamp. Ensure that it is held firmly and that...
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