What are unpopped popcorn kernels often called?
AnswerOld maids
Old maids are kernels that failed to pop.
Food · Facts & stats
Popcorn facts & stats
7 fact-checked facts about popcorn, its science and history, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Is plain popcorn a whole grain?
AnswerYes
Popcorn keeps the entire kernel, so it is a whole grain.
Going deeper
Which popped shape is preferred for candy and caramel coatings?
AnswerMushroom
Mushroom popcorn is round and sturdy.
Which snack mixes caramel popcorn and peanuts with a prize inside?
AnswerCracker Jack
Cracker Jack is famous for its toy surprise.
Butterfly-shaped popcorn is also called what?
AnswerSnowflake
Butterfly and snowflake name the same winged shape.
Expert level
At roughly what temperature do popcorn kernels pop?
AnswerAbout 180°C (356°F)
The hull ruptures near 180°C.
What is the hard outer hull of a popcorn kernel called?
AnswerPericarp
The tough pericarp holds in steam until it bursts.
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