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2025年9月6日 / Last updated : 2025年9月6日 桑子 研 Science

Mixing Is the Secret! Soybean-Sized Copper in the Copper Oxide Reduction Experiment

Hi, I’m Ken Kuwako, a science trainer. Every day is an experiment! 【The Magic of Chemistry!】Get that “Red Glow” with a Copper Oxide Reduction Experiment When teaching “metal refining” in middle school science, one of the most engaging experiments is the reduction of copper oxide. The visual impact of “a red metal appearing from a […]

2025年9月6日 / Last updated : 2025年9月6日 桑子 研 Science

Water Pressure Showdown: What Happens When You Poke Holes in a Bottle?

I’m Ken Kuwako, a science trainer, and for me, every day is an experiment. Do you remember that classic science experiment about water pressure? The one where you poke a few holes in a plastic bottle to see how the water flows out? We filmed that very experiment to show you what happens. We prepared […]

2025年9月6日 / Last updated : 2025年9月6日 桑子 研 Science

Are tape charts outdated? How the Vernier app (Vernier Video Physics) is revolutionizing physics classes!

I’m Ken Kuwako, a science trainer, and for me, every day is an experiment. When teaching “the motion of objects” in science class, do you ever struggle with how to help students truly grasp the concepts? The classic ticker-tape timer experiment is a staple, but it’s easy for students to get lost and wonder, “What’s […]

2025年9月5日 / Last updated : 2025年9月5日 桑子 研 Science

A Game Changer for Furigana! This Amazing Word Feature Automatically Adds Readings

I’m Ken Kuwako, a science trainer, and for me, every day is an experiment. “Will all my students be able to read this kanji?” Have you ever worried about that? When you start a new unit and hand out a worksheet or a test with difficult kanji and technical terms, it’s easy to wonder if […]

2025年9月5日 / Last updated : 2025年9月15日 桑子 研 Science

Don’t Throw It Away! Can Packing Material Turn into a Magic Item? Rub It and Stick It to Your Body! (Static Electricity Experiment)

I’m Ken Kuwako, your science trainer. Every day is an experiment! “ZAP!” That small shock you feel on your fingertips when you’re about to touch a doorknob on a dry, winter day. It’s that annoying static electricity we’ve all experienced. But what if you could uncover its true identity and learn to control it like […]

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著者: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。理科教師として勤務する傍ら、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
I want to share the fun, wonder, and excitement of science with as many people as possible. In addition to my work as a science teacher, I also work as a "Science Trainer," providing scientific supervision for and appearing on TV programs, holding hands-on science workshops, and writing science books.

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