雪は天からの手紙
Snow, the letter from the sky |
雪の結晶は何角形かな?
江戸時代の科学者・土井利位が模写した雪の結晶図を参考にして考えてみよう!
How many pointed edges are there on a snow crystal?
Answer this question by carefully studying the sketch of the snow crystal that was drawn by Doi Toshitsura, a scientist of the Edo Period.
|
       |
 |
雪の結晶には何角形まであるのでしょうか?
|
Can you count the pointed edges of the snow crystals?
|
 |
▼マウスをあててみよう!
六角形しかない |
▼On mouse here!
Snow crystals are all hexagonal stellar shapes (six-sided). |
 |
雪の結晶がどうして六角形なのかを考えます。
|
 |
 |