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Find out if different concentrations of sucrose solution cause a selectively permeable membrane, in this case a potato chip, to become larger or smaller.
Member rating: No Rating | Words: | Submitted: Wed Nov 05 2003
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Investigation: I intend to find out if different concentrations of sucrose solution cause a selectively permeable membrane, in this case a potato chip, to become larger or smaller. I plan to use six different concentrations of sucrose solution and for each concentration I will take three results. I will then find the percentage change for each result. Finally I will find the average weight change and the average percentage change. Prediction: I predict that the lower concentrations of sucrose solution will cause the chip to become larger and the higher concentrations will cause the chip to become smaller. Fair test: To create a fair test certain aspects of the experiment will have to be kept the same whilst one key variable is changed. We have chosen to vary the concentration of the sucrose solution. For the purpose of my experiment I am going to carry out all the experiments at the same time so the temperature is...
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