Meet New Friends!

Recommended friends are based on your interests. Make sure they are up to date.

Kidzworld Logo

How Popcorn Pops

Popcorn is a tasty addition to any movie night but it's also an example of some pretty cool science. Check it out!

How Popcorn Pops - The Wet Truth

Although popcorn kernals may look totally dry, each kernel of popcorn actually has a tiny amount of water inside it. This water is stored inside a circle of soft starch inside the kernel's hard outer surface. As the kernel heats up, the water's molecules start to move faster and get farther away from each other; this molecular expansion is the same reason water turns into steam when you boil it. As the water expands it puts pressure against the hard starch. Something's gotta give - so eventually the water pressure wins out and the popcorn ruptures. The soft starch inside becomes inflated and bursts, flipping the kernel inside out to release the steam inside! Mmmm, popcorn!

popping corn on the cobPopping corn on the cobCourtesy of Thompsons Limited

Popcorn - Did U Know?

  • Don't freeze popcorn or keep it in the fridge. This dries out your kernels and without moisture there won't be any poppin'.
  • Those kernels you find at the bottom of the bowl that failed to pop are called old maids. They were too dry to have any pop left in them.
  • The English colonists were introduced to popcorn at the first Thanksgiving feast in 1621 when Quadequina, brother of Wampanoag chief Massasoit, brought a deerskin bag of popped popcorn to dinner as a gift.
Related Stories:

Related Stories

Micro_milk flutes - micro
Ring in the New Year eating tasty treats at a sleepover party!
It's time to put your head down and complete a very large goal: write a whole novel. To help cele...
One tiny town in America is trying to break a big – and yummy – world record.
What's the deal with those weird squiggly lined pictures at the mall? Are there really hidden pic...

Where Can You Get the Best Popcorn?

  • At the movie theaters.
  • At home with your own seasoning.
  • At the fair or circus.
  • Microwavable popcorn at video stores.

Random In The Forums

Karaleno3 posted in General:
"Living without passion is like being dead." ~Jeon Jungkook
reply about 1 hour
At first, it was a joke. I saw the first clown sighting on the news one day and I felt bad for those kids, but there wasn't gonna be many more clown sightings. One day after I had soccer practice, it said a bunch more clown sightings. This time, the clowns had weapons. I started freaking out. The whole clown thing exploded in everybody's faces. One day before school, I was changing into school clothes, when I realized my TV was on the news. I was about to change it, but the clown threats came on. It showed a map of which states clowns were in. It showed my state. I grabbed my tennis shoes and ran into the kitchen, my shirt still only half-way on. I think it's terrible that sick people like that harass children and teens for their own cruel amusement. That's just disgusting. Everyone, please stay safe! 
reply about 2 hours
-Oracle- posted in General:
1. Commit murder (get caught)2. Burn the school (get caught)3. Do the above and you wouldn't need a third suggestionThank me later.
reply about 2 hours
-Oracle- posted in General:
reply about 2 hours
"Success comes when dreams become bigger than excuses"
reply about 2 hours