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Investigating the factors that affect water uptake by potatoes
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Science GCSE coursework Investigating the factors that affect water uptake by potatoes Plan Osmosis is the movement of water from a region of a high concentration to a low concentration of water through a selectively permeable membrane. Aim To find the concentration of the solution in the vacuole of the potato. Prediction I predict that when the potato chip is placed into the water solution, its mass will increase because that water moves from a high concentration to a low concentration. When the potato chip is placed in 100% salt solution, I predict its mass will decrease. Variables * Concentration of the salt * Size of the potato chip * Time of incubation * Variety of potato * Skin on potato chip * Temperature * Volume of water Scientific Explanation I think that when the potato chip is placed in water its mass will increase because water moves from a high concentration to a low concentration. This process is called osmosis which is the movement of water...
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