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Investigating the loss of water from leaves through transpiration
Member rating: No Rating | Words: | Submitted: Tue Aug 26 2003
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Rachel Preston Investigating the loss of water from leaves through transpiration Aim of this experiment: I am doing this experiment to investigate the loss of water from leaves through transpiration. I am going to use six privet stems with different amounts of leaves on them to see how the rate of transpiration is affected. Background knowledge: Transpiration is the loss of water from a plant. It is caused by evaporation of water from inside the leaves. Most of the action involves the stomata. This creates a slight shortage of water in the leaf, which draws more water up from the rest of the plant, which in turn draws more up from the roots. It has two beneficial effects: * It transports minerals from the soil around the plant * It cools the plant Four main things affect the rate of transpiration: * Amount of light the plant gets * Temperature of the atmosphere * Amount of air movement * Humidity of the...
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