How Do Pop Rocks Work

Topics: Carbon dioxide, Pop Rocks, Soft drink Pages: 3 (771 words) Published: November 21, 2011
How Pop Rocks Candy Work

Pop Rocks like other hard candy is made by mixing sugar, lactose, corn syrup, and artificial colors/flavors, and processed with carbon dioxide (the same gas that used in all carbonated beverages ).

The candy is made by mixing its ingredients and heating them until they melt into dust, then exposing the mixture to pressurized carbon dioxide gas at about 600 pounds per square inch, and allowing it to cool. The process causes tiny high pressure bubbles to be trapped inside the candy. When you put Pop Rocks in your mouth, your saliva dissolves the candy, releasing the carbon dioxide from the tiny atmosphere bubbles, resulting in a popping and sizzling sound and leaving a slight tingling sensation. If you examine the candy with a magnifying glass, you can see the tiny bubbles.

History of Pop Rocks

Pop Rocks were developed in 1956 by General Foods research scientist William A. Mitchell. He made the discovery accidentally, while trying to design an instant soft drink, when he put some sugar flavoring mixed with carbon dioxide in his mouth. The candy was introduced to the market in 1975 at .15 cents per pack. The original flavors were Orange, Cherry and Grape. In 1983, General Foods stopped selling the candy because of the rumor of Pop Rocks being a dangerous product. Kraft Foods bought the rights to the product from General Foods in 1985. Since than candy is back to the market. Over the years it was sold under different names, such as "Fizz Wiz" or "Peta Zeta", “Cosmic Candy” or “Space Dust”, "Action Candy", or "Crazy Dips", that was sold in crystal form with a boiled sugar lollipop, which was intended to be moistened with the mouth and dipped into the candy crystals. Today, mostly candy is sold under its original name “Pop Rocks”.

I mentioned that Pop Rocks are possible dangerous, let me explain what it is all about.

Are Pop Rocks Dangerous?
There was an urban legend that eating Pop Rocks and drinking cola would cause a...
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