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Investigating the effect of light intensity on the rate of photosynthesis.
Member rating: No Rating | Words: | Submitted: Tue Mar 23 2004
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Investigating the effect of light intensity on the rate of photosynthesis. Aim: We are going to investigate the effect of changing light intensity on the rate of photosynthesis on Eloden pondweed. Factors affecting the rate of photosynthesis. 1. Heat-high temperatures can destroy enzymes. Very low temperatures slow enzymes down. 2. Light intensity- high light intensity increases photosynthesis. 3. Carbon dioxide-high levels increase rate of photosynthesis. Variables- things can change. What will we measure? * The number of oxygen bubbles produced in a given time. * Variables- distance from the lamp, measure the temperature of the water, volume of water, length of the plant. Range of five measurment, 5 repeats, average results. Method. The equipment I will need is: beaker, thermometer, glass rod cotton pondweed, boiling tube containing dilute hydrogen carbonate, lamp and a meter ruler. I will make it a fair test by having range of five measurements and 5 repeats. To make the experiment safe I will where safety goggles. Things I could...
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