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Each popcorn kernel contains a small amount of water stored in a circle of soft starch inside the hard outer casing. When heated to around 450° F, the moisture turns to steam, creating pressure within.
As the pressure builds, the casing eventually gives way, and the kernel explodes and pops, allowing the water to escape as steam and turning the kernel inside out.

The Science of Popcorn - Carolina.com


We offer top-notch chemistry supplies and AP® Chemistry products, backed by our ..... what is the ideal percentage of water in popcorn kernels for best popping.

The Science Behind How Popcorn Pops - Chemistry - About.com


Popcorn pops because each popcorn kernel is special. Here's a look at what makes popcorn different from other seeds and how popcorn pops.

Is popcorn popping a chemical or physical change? | Atom's World


Dec 7, 2011 ... When popcorn “pops” is it a chemical or a physical change? ... For example, it is commonly noted that popped popcorn seems to have changed ...

Everyday Chemistry - How does popcorn pop?


The sound of popcorn popping is almost as much fun as eating it. No wonder it is the most popular snack at movie halls and homes around the world. But what ...

The chemistry of popcorn: It's all about 'pop-ability' | EurekAlert ...


Apr 14, 2005 ... Hamaker and his associates analyzed 14 different genetic varieties of yellow popcorn and compared their microwave popping performance.

The Chemistry of Popcorn - www.ChemistryIsLife.com


There is water in the kernel of the popcorn and as the water heats up it expands into ... If it is below that number, the chances of the kernel popping decrease.

Snacks Need Chemistry, Too!


Have you ever wondered what makes popcorn pop? The popping is linked with the properties of gases. What hap- pens when a gas is heated? Charles's law ...

Popping to Perfection | Science News for Students - Student Science


Apr 24, 2005 ... The chemical processes involved in popcorn popping could also end up being of interest in other fields of food science, Hamaker says.

The Chemistry Of Popcorn: It's All About 'Pop-Ability' -- ScienceDaily


Apr 15, 2005 ... Chemists at Purdue University have identified a key crystalline structure inside popcorn that appears to determine its popping quality.

Popular Q&A
Q: Is popping popcorn chemistry?
A: Physics, not chemistry. PV=nRT Read More »
Source: wiki.answers.com
Q: How to Air Pop Popcorn.
A: Pop popcorn without fat for a low calorie, crunchy treat. According to the Popcorn Board, popcorn pops when the kernels heat so that the water trapped inside ex... Read More »
Source: www.ehow.com
Q: How to Pop Fluffy Popcorn.
A: From movie theater popcorn to stove top and microwave types, this delicious snack is easy to make - but getting that perfect level of fluffiness can sometimes b... Read More »
Source: www.ehow.com
Q: How to Pop Primetime Popcorn.
A: Primetime popcorn is yummy, especially when its made right! Its easy to accidentally burn it. Here is how to pop it with ease: Steps. Take one of the popcorn ba... Read More »
Source: www.wikihow.com
Q: How to Pop Popcorn on the Stovetop.
A: Fresh stovetop popcorn is healthier and much better tasting than microwave varieties.  Its quick and easy to make; the only requirements are: kernels, oil, and ... Read More »
Source: www.wikihow.com