The Science of Perfectly Popped Popcorn
- 1. What is the primary ingredient in popcorn that causes it to pop?
A) Water inside the kernel
B) Starch in the kernel
C) Oil in the kernel
D) Butter on the kernel
- 2. What part of the popcorn kernel is responsible for its hard outer shell?
A) Germ
B) Endosperm
C) Pericarp
D) Hull
- 3. What is the approximate pressure inside a popcorn kernel at the moment of popping?
A) 10 psi
B) 250 psi
C) 135 psi
D) 50 psi
- 4. What ingredient is often added to popcorn to enhance flavor after popping?
A) Vinegar
B) Sugar
C) Salt
D) Mustard
- 5. Which variety of corn is primarily used to make popcorn?
A) Zea mays everta
B) Zea mays amylacea
C) Zea mays saccharata
D) Zea mays indentata
- 6. Why should you avoid popping popcorn at very high temperatures?
A) It prevents steam buildup.
B) It will pop more kernels.
C) It can burn the popcorn.
D) It makes it taste better.
- 7. What does the 'popped' volume of popcorn typically increase to?
A) 2-5 times its original size
B) 20-30 times its original size
C) 10-15 times its original size
D) 40-50 times its original size
- 8. How much moisture is typically required inside a popcorn kernel for it to pop effectively?
A) 13-14%
B) 20-25%
C) 30-35%
D) 5-6%
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