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Investigate the effect of varying concentration of a certain salt solution on the amount of osmotic activity between the solution and a potato chip of a given size.
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GCSE Biology - Osmosis Coursework Potato and Osmosis Investigation Skill Area P: Planning Aim: To investigate the effect of varying concentration of a certain salt solution on the amount of osmotic activity between the solution and a potato chip of a given size. Hypothesis: Osmosis is defined as the net movement of water or any other solution molecules from a region in which they are highly concentrated to a area in which they are less concentrated. This movement must take place across a partially permeable membrane such as a cell wall, which lets smaller molecules such as water through but does not allow bigger molecules to pass through. The molecules will continue to diffuse until the area in which the molecules are found reaches a state of balance, meaning that the molecules are randomly distributed throughout an object (in this case the potato), with no area having a higher or lower concentration than...
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