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I am conducting this biology investigation to find out whether the weight of the weight of a potatoes changes whilst put into different strengths solutions of water and salt. The weight of the potato will change due to a process called osmosis.
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Biology Investigation Introduction I am conducting this biology investigation to find out whether the weight of the weight of a potatoes changes whilst put into different strengths solutions of water and salt. The weight of the potato will change due to a process called osmosis. Osmosis is a special diffusion. Water flows from a weak solution to a strong one. It happens when a membrane with tiny holes in it which let water molecules pass through but stop lager molecules, like salt. A membrane like this is called semi permeable in this experiment the semi permeable membrane is the potato. I have already carried out a similar experiment in year 10 this helped me decide how long to leave the potato in the solution and what strength of the solution I should use. Osmosis Diagram Hypothesis Osmosis is the movement of water molecules from a weaker solution to a stronger one, through a semi...
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