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Carly Mckenzie 19TH April 2002 Investigation on Osmosis Aim We are trying to discover how changing a certain variable would affect the rate of osmosis of skinless potatoes. Variables There are several factors which affect the rate of osmosis such as the potato (in this case) must not have any peel on it as the peel of a potato is impermeable and therefore would prevent the movement of the water. Here are the possible variables (listed below): - * The width and length give different surface areas which change the amount of osmosis performed by the plant (bigger surface area = more osmosis and vice versa) * Different vegetables have different concentrations of solution inside * Temperature-high temperatures give a faster rate of osmosis * The volume of the solution-the potato must be entirely covered for complete osmosis * Light intensity-strong light gives heat. (Heat as said above) * The type of solution e.g. sugar solution * Must use...

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