I’m Ken Kuwako, a science trainer. Every day is an experiment. 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 […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. 【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 […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. 【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 […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. Observing Peanut Seeds It’s a familiar sight: peanuts lined up on a supermarket shelf, a go-to snack you crack open and munch on. But within that small kernel lies a magnificent story of life—a plant’s grand plan for its future. The peanut we so […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. Return to special page Let’s make a straw flute that chirps like a little bird! Does a straw really chirp like a little bird? Chirp! Chirp, chirp! Today I’m going to show you a flute made from a straw that sounds like a little […]