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Biology: Photosynthesis Investigation Photosynthesis Investigation AIM: to find effects of distance of a light source from pond weed has on the amount of oxygen produced water + carbon dioxide › glucose + oxygen H2O + CO2 › C6 H12 O6 + O2 Photosynthesis All green plants need to be able to make their own food. They do this by a process called photosynthesis. For photosynthesis to occur they need sunlight energy. This energy is absorbed by a green pigment called chlorophyll, which is mainly found in the leaves. This energy then combines with water molecules (from the soil) and carbon dioxide (from the air).Then as a result of this, a type of sugar is produced .This is called glucose. Also oxygen is made. Variables · ph of the water · Surface area of the plant · Temperature of the water · Light Variable to be tested For my experiment I have chosen to use light distance as my variable. This means that to carry...

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