Did you get some gummy bears or gummy worms in your trick or treat bag this Halloween? Put them to use in this experiment, while you explore the concept of osmosis.
Science Behind the Experiment:
Gummy bears and worms are made up of water, sugar, and gelatin. When the gummy is placed in water, osmosis occurs. Osmosis happens when a liquid moves itself from one side of a membrane (the side with high concentration) to another (the side with low concentration). In this case, the water moves from outside the gummy (where the water has less dissolved in it and is therefore more highly concentrated) to inside the gummy (where the water has sugar, food coloring, etc. dissoved in it and is therefore less concentrated). The water moves from an area of high concentration to an area of low concentration in an effort to equalize the concentration. The gelatin keeps the gummy candy from dissolving in the water.