A Classroom Full of Stars! How to Make a DIY Cardboard Planetarium Have you ever made a planetarium for a school festival? This time, I’d like to introduce a project our science club took on: creating a “cardboard planetarium dome.” Last year, our school festival theme was “earthquakes,” and we put together an interactive exhibit. […]

【This article is also available as a radio broadcast!】 This is an infrared cloud image. Do you notice anything strange about it? Even if this is your first time seeing this image, you’ll probably spot a few things that make you say, “Huh?” The first thing that catches the eye might be the long line […]

When handling chemicals in the science lab, a basic knowledge of dilution is essential for conducting experiments “safely, accurately, and efficiently.” This time, I’ve put together a guide for teachers on the dilution methods, safety aspects, and concentration guidelines for common experiments that you should know. This is based on my own research, and knowing […]

【Read this article in English】 When it comes to “detecting carbon dioxide” in a science class, calcium hydroxide solution is a familiar sight. But are there teachers who buy commercially available calcium hydroxide solution every time? Of course, buying it is one way to save time and effort. However, calcium hydroxide solution is actually very […]