Experiment No. 6
Influence of Heat on Potato Starch Grains
With the point of a knife scrape slightly the surface of a raw potato and place a drop of the starchy juice upon the microscopical slide. Cover with cover glass and examine under the microscope.
In the evaporating dish cook a small piece of potato, then place a very small portion upon the slide, and examine with the microscope.
Make drawings of the starch grains in raw and in cooked potatoes.