SAT Test, Cheating, and Statistics
Seventh one in the series, this blog post is a problem about the chances that two multiple choice answer sheets could have many answer the same, including the wrong ones.
RNA, Mutation, and Possible Number of Genetically Different Coronavirus
Sixth one in the series, this blog post has a problem about coronavirus, mutation, and the theoretical number of genetically different coronaviruses.
Fun With Liquid Nitrogen: Exploding Plastic Bottle
An embed of a short video of my students and I exploding plastic bottles using liquid nitrogen at Bishop Mackenzie International School in Malawi.
Form 3 Science: Physics
Embeds of PowerPoint slides covering Form 3 (grade 7) Physics we taught way back when I was a teacher in the beautiful little country of Malawi.