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Monday, August 04, 2008

9:47 PM

How does popcorn pop?
Only popcorn kernels can pop, and the secret is water. Each 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.

HMM HAHA. is this chem or phy?


I blog but you don't have to understand.



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