The result is a shimmery fluid polymer that can be shaped. By the next class, the pennies mysteriously float to the top of the liquid. This is a two day demonstration. Merging of the two solutions with the water pool cause slow movement of the ions with the gradual appearance of a haze that darkens. Given the reactants, students are to come up the the products.
Solutions are mixed to immediatly form red, white, and blue precipitates.
A raw egg is placed in a beaker containing vinegar. After several days, the shell is gone and the semipermeable membrane of the egg is exposed. Osmosis caused the egg to swell. When the enlarged egg is placed in a syrup solution, the reverse process occurs, which results in a much smaller than normal egg. This is a 3 day demonstration.