Much of the corn grown here is used to feed cattle. Flex-fuel Dodge Spirit. Popular Mechanics, p. 176. New Scientist, pp. Ethanol Stirring up a Storm Discover the best food to ferment.
Ethanol is made from a variety of plant substances - corn, sugar cane, even some kinds of wood.
In this activity, you will test different substances to see what you can learn about fermentation. Stir for one minute. Wait 5 minutes. Record your observations. Wait 15 minutes.