Day 128: Problems, Tuning Forks, & Stoichiometry

I was on a field trip today, so had a sub.

AP Physics 1: Balanced Torque Problems

Students worked some problems with balanced torques. I wish I’d edited the worksheet to include some problems revisiting forces, but ran out of time last week. I’ll be interested to see if and how my students used the area model I showed them yesterday.

Physics: Tuning Forks

Students did a lab playing with tuning forks to start building some ideas about sound waves. There’s usually some good discussion that I’m a little sorry I missed.

Chemistry Essentials: Stoichiometry

Students started doing stoichiometry by using nuts, bolts, and washers to represent different types of atoms, making it possible for them to “see” how many moles they have and measure the masses very directly.

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