★【Feature】
How does snow fall? What are snowflakes? A letter from the sky: The secret of snow Snow falls on cold winter days. Did you know that Japan is actually one of the snowiest regions in the world? In this special feature, we delve into the mysteries of snow. First of all, why does snow fall? Is it different from ice? We answer questions such as the difference between powder snow and pebbles, and the mechanism behind avalanches. In the second half, we introduce beautiful snowflakes. We also explain how you can observe them. If it snows, be sure to give it a try!
★【Feature】
How exactly is chalk, a familiar sight at writing arts schools, made? Recently, it has evolved to be less likely to dust. Here, we take a closer look at the process of making chalk. We also report on the secrets of the material and how it will evolve in the future.
The other program introduces the technology behind Kurutoga, a mechanical pencil with a rotating lead. As you write, the lead rotates little by little, wearing down into a conical shape. We take a closer look at the technology behind this mechanical pencil. It's amazing how many different ideas go into making stationery that is easy for us to use.
★ [Special supplement]
Snowflake Poster - Look at the various shapes Snowflakes come in a variety of shapes. This poster features a collection of beautiful crystals. You can hang it on the wall and look at it, or we recommend observing snowflakes using the observation methods introduced in the special feature and comparing them with the poster.
Released 26/01/09
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Children's Science February 2026 Issue with Separate Appendix | Seibundo Shinkosha Co., Ltd. (seibundo-shinkosha.net)