“Lungs Don’t Inflate on Their Own!?” Learning How We Breathe with a PET Bottle Model (Diaphragm and Lungs)
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 […]