Diffusion is the process by which a substance moves from an area of high concentration to an area of low concentration. In the first lab experiment, the students in my group measured the diffusion of 15% glucose and 1% starch out of a 30-cm dialysis bag into a 250mL beaker of distilled water and IKI solution. My group allowed the setup to sit for thirty minutes and found the following conclusions:

As the chart shows, there were no major changes in the colors of the bag or the beaker. However, there was change in the chemicals of the bag and the beaker. The glucose left the bag and entered the substances of the beaker. The iodine solution was expected to enter the bag, but could not because its presence was not strong enough. My group found that the glucose left the bag, because the small...