Common Siblings' Common Curiosity 15

Author Ahn Chi-hyun · Publisher Miraen Iseum · Published 2026-06-30 · ISBN 9791175488458

About the Book

Dying to know? I'm dying to know!
18 scientific curiosities encountered in daily life
Shall we solve the everyday curiosities that arise anew with Heunhannammae? Volume 15 of "Heunhannammae's Common Curiosities" compiles 18 curiosities you might have wondered about at some point in your daily life, from questions about items in a convenience store like 'What information is contained in a barcode?' and 'Why do canned goods have a long shelf life?' to 'How do sensor lights turn on by themselves?' and 'How do video streaming sites know my preferences so well?'

Perfectly aligned with elementary school science textbooks!
Satisfy your curiosity through informative pages!
Through the information pages inserted at the end of each episode, readers can learn various scientific facts related to elementary school science curriculum. In addition, short corners such as 'Common Science Facts', which explain basic scientific concepts related to the topic of curiosity, and 'Short Curiosities', which introduce useful real-life tips, provide even more diverse information.

Science knowledge sticks in your head!
With Heunhannammae, you too can be a curiosity expert!
Instead of simply listing scientific information, the book is structured to allow young readers to naturally grasp core concepts while enjoying various activities. In the 'Warm-up Quiz' corner, inserted every six episodes, readers can solve simple quizzes such as initial consonant quizzes, four-question quizzes, and crossword puzzles to reinforce the core concepts learned in the main text. In the 'Curiosity Level Up' corner, inserted at the end of the book, readers can review the content learned in the main text by solving fun multiple-choice questions. By reading the comics and solving the problems, the scientific information in the text will naturally stick in your head without the need for memorization.

The only award in the world!
Nyaha Curiosity Solvers Special Commendation Certificate
At the end of the book, there is a one-of-a-kind award certificate. It's a special commendation certificate awarded by the Nyaha Curiosity Solvers. After solving all 18 curiosities through "Heunhannammae's Common Curiosities," write your name on the certificate and boost your sense of accomplishment.

* Certification Type: Supplier conformity confirmation

Table of Contents

Episode 1: Battery Emergency 08
How do cell phone batteries charge?
Episode 2: Hidden Star of the Concert Hall 16
Why can you hear well even from the back seats at a concert?
Episode 3: The Food Fighter of the Buffet 24
How do digestive aids help digestion?
Episode 4: Today I'm a Convenience Store Part-Timer?! 32
What information is contained in a barcode?
Episode 5: Zombies Invade the Convenience Store! 40
Why do cup ramen containers get narrower towards the bottom?
Episode 6: Survival at the Convenience Store 48
Why do canned goods have a long shelf life?

Warm-up Quiz 1 56

Episode 7: Who's There?! 58
How do sensor lights turn on by themselves?
Episode 8: Secret of the Mysterious Magic 66
Why do magnets attract iron?
Episode 9: A Special Wake-up Mission for Eutteumi 74
How does an alarm clock ring at a set time?
Episode 10: Who Wins the Remote Control Battle? 82
How does a remote control operate a TV?
Episode 11: Can't Meet Even If I Want To! 90
How does an escalator move?
Episode 12: A Robot Vacuum Cleaner's Day 98
How does a robot vacuum cleaner clean by itself?

Warm-up Quiz 2 106

Episode 13: In Search of Wi-Fi! 108
How does Wi-Fi connect to the internet without wires?
Episode 14: Who is the Master of the Algorithm?! 116
How do video streaming sites know my preferences so well?
Episode 15: Wake Me Up! 124
Why do we experience sleep paralysis when we sleep?
Episode 16: Electrifying Spicy Taste 132
Why do canker sores appear?
Episode 17: If you lie down after eating, you'll become a cow? 140
Why shouldn't you lie down immediately after eating?
Episode 18: Injections are Too Scary! 148
Why are injections given in different parts of the body?

Warm-up Quiz 3 156
Curiosity Level Up 158
Special Commendation Certificate 163