We cut pieces of potato to the same size, weighed them and put them into different strength solutions for a fixed length of ____. Our ____ variable in this investigation was the mass change of the chips, and the ____ variable was the concentration of the glucose solution. We found that in pure water and 0.2M glucose the mass of the chips ____, but it ____ in stronger glucose solutions. This is because when the external solution is not strong, there is more water outside than inside the chip, so water moves in by ____. The opposite happens if the external solution is ____.

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