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Investigate a factor that affects the rate of photosynthesis.
Member rating: No Rating | Words: | Submitted: Thu Jan 29 2004
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Photosynthesis Aim: To investigate a factor that affects the rate of photosynthesis. A piece of pondweed will be cut and placed into a beaker containing water and sodium hydrogen carbonate. A lamp will be shined on to the pondweed and the amount of bubbles released from the plant will be counted. The lamp will be adjusted to different distances from the plant to try and obtain different results. Green plants are the only living things that can make their own food. They do this using a process called photosynthesis, which means, "making things with light." During the process of photosynthesis, the energy from the sun is turned into chemical energy. The chemical energy is used to join carbon dioxide and water. In the process, sugar and oxygen are created. This process takes place mainly in the leaves of the plant. Leaves contain a substance called chlorophyll that traps the sun's energy. The...
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