Description
★【Special Feature】If you talk, you can become popular in class!?
Math Quiz by Yokoyama Asuki "Math Big Brother" Yokoyama Asuki has selected 10 "Math Quiz" questions. There are problems in a variety of arithmetic genres, including calculation, logic, and geometry. The answers are also easy to understand, so even those who are not good at math can solve them. It would also be fun to try it with friends and family. Come and experience the fun of math.
★ [Second Feature] Stack, stand, and be amazed! Rock Balancing "Rock balancing" is an art made by stacking rocks and stones. Chitoku Ishihana, a leading expert on rock balancing in Japan, will teach you how to do rock balancing from the basics. He also gives a scientific explanation of how the stones stand up. Once you've learned the tricks, why not try making your own work on the riverbank or the beach?
● [Special supplement] KoKa Diary 2025
The annual "KoKa Notebook" is now available in its 2025 edition. In addition to science trivia and various other information, this time there is also a notebook section where you can write down your impressions of science museums and exhibits. If you go to see the "2025 Osaka-Kansai Expo" starting in April, why not write down your impressions?
● [Bound-in supplement] "Mysterious arithmetic puzzle"
This is a simple puzzle with four pieces that, when put together, form an equilateral triangle. If you rearrange them, they also form a square. Think about how you can make a square and try it out!
table of contents
Manga Nyanto! CSI Cat Crime Investigation Team Kokatopi!
Cockapre!
[Special Feature] If you talk, you'll be popular in class!? Math quiz taught by Asuki Yokoyama
[Special Feature] Stack, stand, and be amazed! The Rock Balancing Chemistry Picture Book Series is back in print for the first time in 40 years! The charm of Satoshi Kako
How to use the KoKa notebook Let's learn about the SDGs through electricity No CO2 is emitted when burned Ammonia power generation Can be done easily at home or in the classroom! Toppo and Chi's time-killing laboratory Why? Why? How come?
Beaker-kun goes! Beaker-kun knows the ocean is in danger!? The road to illusions: The illusion of a whole body being born from a half body (theory)
Antarctic Research Expedition Photo Report: How to become a member of the Antarctic Research Expedition?
Learn more and you'll want to meet more Zoo animals Ring-tailed lemurs The universe is dramatic! The origins of spiral galaxies Pokeden Sakura Hirahira readers' photo contest We took photos like this!
Reader's Photo Contest I took this! 2024 Award What they won't teach you at school or cram school! Survival skills What if you can't reunite with your family after a disaster?
Let's get started with your own personal computer! Run Windows apps with a Raspberry Pi! Doubt the dubious science of Hell Doctor Kurara Sensei! If you think rationally, making friends is important! Vegeful Newspaper! Find out more! Aim for various potatoes with Potato-kun! Mass Magician! Repunitt numbers and how to determine multiples of 11! Kodomono Kagaku Seisakusho! Press and it beeps! A buzzer-style button! Coca-Net FUN!
Extremely Quiz Manga: Professor Moja's Veranda Science Classroom Episode 15: What is the difference between arithmetic and mathematics?
KoKa Hiroba Manga Logical Mystery Tour Weather Tour 2 Why does it rain?
[Separate supplement]
KoKa Diary 2025
[Attached supplement]
Mysterious Math Puzzle
Released on 03/10
▼Click here for details about the book▼
Children's Science April 2025 issue <Special Edition> | Seibundo Shinkosha Co., Ltd. (seibundo-shinkosha.net)