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Article: Kids' questions answered.(Originated from Knight-Ridder Newspapers)
- Article from:
- Knight Ridder/Tribune News Service
- Article date:
- July 13, 1995
- Author:
CopyrightCOPYRIGHT 1995 Knight-Ridder/Tribune News Service. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A. Bubble gum is made of sugar, flavorings and a synthetic elastomer (e-LAS-toe-mur), which is like a stretchy spaghetti. Bubble gum loses its flavor as the enzymes in the saliva in your mouth begin the process of digestion, and break down the gum. By the way, an elastomer is a chemical product that imitates the natural thing. A natural elastomer, for example, is the latex that comes from rubber trees.
Q. How are chalkboards made and why are the majority of them green? _Luis Felipe Quinones.
A. Modern chalkboards are made from a sheet of steel with green or black porcelain sprayed onto it. The porcelain is then baked in an oven heated to about 1,500 degrees. ...