Popcorn also known as pop-corn or popped corn is nothing but a variety of corn kernel which expands and puffs up when heated. The same names can also be used for other foodstuff that needs to be expanded by heat to edible. For popcorn, it's kernel's strong hull contains the seed's hard, the starchy shell endosperm which contains 14-20% of moisture. This moisture turns to steam as the kernel is heated. The pressure caused by this steam continues to build up till the hull ruptures, and hence allowing the kernel to forcefully expand from 20 to 50 times of its original size and finally is allowed to cool. 

One can note that some strains of corn are specifically cultivated as popping corns, taxonomized as Zea mays. The Zia mays have a variety everta which is a special kind of flint corn, is the most common of the varieties of corn commercially sold. The six major types of corn that can be classified are flint corn, dent corn, flour corn, pop-corn and sweet corn. The knowledge of corn has been 10,000 years old, when it was first domesticated in Mexico. It is also known that people have known about popcorn for thousands of years.

In this sub category you can download free PNG images: Popcorn Food. In this category "Popcorn" we have 11 free PNG images with transparent background.

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  Popcorn Transparent
  Format: PNG
  Resolution: 900x1000
  Size: 3.4MB
  Downloads: 1,144
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  Popcorn
  Format: PNG
  Resolution: 450x253
  Size: 53.7KB
  Downloads: 915
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  Popcorn Clipart
  Format: PNG
  Resolution: 1536x1221
  Size: 1.5MB
  Downloads: 822
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  Popcorn Photos
  Format: PNG
  Resolution: 1000x1000
  Size: 562.2KB
  Downloads: 760
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  Popcorn Image
  Format: PNG
  Resolution: 1100x1424
  Size: 2.1MB
  Downloads: 512
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  Popcorn Transparent Background
  Format: PNG
  Resolution: 1276x642
  Size: 835.8KB
  Downloads: 510
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  Popcorn Transparent Image
  Format: PNG
  Resolution: 1483x1959
  Size: 206.4KB
  Downloads: 495
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  Popcorn Hd
  Format: PNG
  Resolution: 1024x1024
  Size: 134.1KB
  Downloads: 473
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  Popcorn File
  Format: PNG
  Resolution: 427x562
  Size: 38.8KB
  Downloads: 402
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  Popcorn Cuisine Snack Photographic Film HQ Image Free PNG
  Format: PNG
  Resolution: 1501x1501
  Size: 985.2KB
  Downloads: 232
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  Popcorn Yellow Film Cinema Free Transparent Image HQ
  Format: PNG
  Resolution: 600x600
  Size: 41.2KB
  Downloads: 207

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