I have no idea what the right flair for this is, sorry.
In: Physics
Popcorn pops because of steam pressure. The inside of the kernel contains starch and water, which are contained in a hard shell. When you heat it, the starch liquifies and the water turns to steam. When the steam pressure gets high enough, the shell explodes, the starch instantly solidifies, and the corn is popped.
If the shell is broken, steam won’t build up. Bad kernel
If it is too dried out, not enough pressure will build up. Bad kernal
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