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2026年5月29日 / Last updated : 2026年5月29日 桑子 研 Science

Cloudy Day? No Problem! A Complete Guide to Photosynthesis Experiments with Elodea & Brome Grass

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. When the water’s color gradually shifts, students’ eyes light up. “Whoa, it changed!” That single moment of discovery is exactly why we do science experiments. Today, I’ve put together a guide on how to successfully run a middle school classic: observing photosynthesis using Elodea […]

2026年5月28日 / Last updated : 2026年5月28日 桑子 研 Science

Recreate the Solar System with a Steel Ball and Magnet! Feel the Motion of Planets with a Conical Pendulum

I’m Ken Kuwako, your Science Trainer. Every day is a new adventure in discovery! “Why do planets race around the Sun when they’re close, but drift more slowly when they’re far away?” To bring this incredible mystery of space down to Earth, I built a simple hands-on experiment you can try in the classroom. All […]

2026年5月27日 / Last updated : 2026年5月27日 桑子 研 Science

From Chaos to Clarity: How I Teach Circuit Diagrams in the Classroom

I’m science trainer Ken Kuwako. Every day is an experiment. Have you ever opened a science textbook, looked at those sharp, angular circuit diagrams, and thought, “This looks complicated…” or “Why do I even need to memorize these symbols?” But hidden inside every one of those tiny symbols is generations of human ingenuity — a […]

2026年5月26日 / Last updated : 2026年5月26日 桑子 研 Science

Defying Gravity with a Chopstick Tip — Feel the Magic of Gyroscopic Force with SpinGyro 2!

I’m Science Trainer Ken Kuwako. Every day is an experiment. Can you imagine placing a tiny toy on your desk and watching it keep its balance all by itself, almost as if it were alive? Even when balanced on the narrow tip of a disposable wooden chopstick, it refuses to fall. It looks like magic—but […]

2026年5月25日 / Last updated : 2026年5月25日 桑子 研 Science

Spin It, Fly It Straight! Discover the Amazing Gyro Effect with X-Launcher 2

I’m science trainer Ken Kuwako. Every day is an experiment. Have you ever seen a toy that spins wildly while flying perfectly straight through the air? Why doesn’t something that’s spinning just tumble over? Hidden inside that mysterious motion is an amazing law of physics called the “gyroscopic effect,” the same principle that helps stabilize […]

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運営:桑子研(くわこ けん)
科学の楽しさや不思議、感動を多くの人に届けていきたい。サイエンストレーナーとしてテレビ番組の科学監修・出演、実験教室、科学本執筆なども行っています。

Author: Ken Kuwako
My mission is to share the joy, wonder, and excitement of science with as many people as possible. As a Science Trainer, I stay busy supervising and appearing on science-themed TV programs, hosting hands-on experiment workshops, and authoring science books.

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