**AP Physics: UBFPM Practical**

Students were tasked with finding the inertial mass of a lump of metal. While I left it open, students pretty quickly settled in to following the steps from their 2nd Law lab. In one of my classes, a lot of groups initially used the unknown mass to provide the force on their half-Atwoods setup, which has me thinking they were losing track of the significance of the measured quantities; I skipped over having them do an interaction diagram and free-body diagram on the original lab, which I’m betting would have helped.

**Physics: CAPM Problems**

Students used whiteboards to revisit an earlier quiz on CAMP problems. I had them go through piece by piece, rotating who had the marker for each step. That seemed to help students feel a lot more confident on the problems. Tomorrow we’ll see if they can do them independently.

**Chemistry Essentials: Lewis Dot Beans**

Yesterday, when we worked on formula writing, students were losing track of what the various numbers represented. One of the other chemistry teachers suggested I try Lewis dot structures with a manipulative, so today students used beans to check their answers to yesterday’s problems.

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