Learning from teaching Last week in Biology class, matters of the heart were the main topic of discussion. The structure and function of the human heart, I mean! I teach Biology rarely, once in 2-3 years. Every experience gives me food for thought. During our discussion, I made an erroneous…
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Two weeks ago, I wrote about the Elephant Toothpaste experiment I did with my students. A few readers who read that post were curious about how to conduct the experiment and what happens in it. Hence, this follow-up post on the Chemistry behind the experiment. Incidentally, my lesson plan for…
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Expectation Elephant Toothpaste – does it sound absurd? On the contrary, it is quite a popular Science experiment. I have conducted it many times, watched it even more times, and enjoyed every single experience. However, it has been some years since I did this experiment. Last week in my 9th…
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