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Photosynthetic rate and light intensity.
Member rating: No Rating | Words: | Submitted: Thu Oct 16 2003
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Biology Coursework-Photosynthetic Rate and Light Intensity PLAN Aim - to investigate the effect of light intensity on the rate of photosynthesis in a plant. Prediction - Plant cells use light to help them to make food by photosynthesis. They trap the energy in the sunlight and use it to convert carbon dioxide and water into sugars. The chemical reaction that takes place is: Light energy 6 CO2 + 6 H2O C6 H12 O6 + 6 O2 (from air (from soil Chlorophyll in sugar via stomata) via root hairs Chloroplasts and xylem) Substrates Products All plants need light to photosynthesise otherwise they will die. The photosynthetic rate is affected by the light intensity because when the light falls on to the chloroplasts on the leaf, it is trapped by the chlorophyll and therefore makes energy available for chemical reactions in the plant. So as the light from the bulb shines on to the plant, more energy is...
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