Day 129: Problems, Standing Waves, & Problems

AP Physics 1: Torque Problems

I was much more teacher-directed today than I typically shoot for. I ended up walking students through how to approach balanced torque problems; students were pretty into the idea that they can pick a pivot point for the problem that lets them solve for different quantities. We had a few minutes at the end for some whiteboarding. While students aren’t confident yet, I think they are doing just fine on balanced torques.

Physics: Standing Waves

We went through a guided discussion to get at the patterns for standing waves using first a wave generator with a string, then a singing rod, and ending with a tuning fork. When there were some good points for small group discussion, I had students work in their packets, but I think it would have been better to have them use whiteboards.

Chemistry Essentials: Stoichiometry Problems

Students worked some stoichiometry problems. We stuck to whole number ratios so students could draw particle diagrams as a tool to work through the problems.

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