I’m Ken Kuwako, the Science Trainer. Every day is an experiment. How a Cardboard Box Turned an Entire Classroom into a Planetarium Have you ever imagined switching off the classroom lights and suddenly finding yourself beneath a sky filled with thousands of stars? It sounds like magic—but with a few sheets of cardboard and a […]

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! See How the Lungs Work with a Plastic Bottle and Balloons! A Simple Model for Science Class “How do the lungs get air in and out?” When tackling this question in the respiratory system unit for first-year junior high students, a hands-on model can […]

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 […]