**AP Physics: Rotational Inertia**

Students worked on data collection for the rotational inertia lab we started yesterday. A lot of groups are setting up spreadsheets to streamline the calculations, which is great. However, this lab is time-consuming enough that I want to spend some time this summer looking at alternatives or trying to simplify it.

**Physics: Springs**

Students worked on connecting models from earlier in the year to the motion of springs. A few students struggled to get started with the free-body diagrams, but most were able to work through and make the connections I was after.

On a side note, I talked to one lab group about their pre-calc homework. They had some problems involving free-body diagrams for blocks on a ramp, but were thrown off by some differences in language and notation. I should find a time to connect with the pre-calc teachers to see if there are ways we could do a better job of building on each others’ classes.

**Chemistry Essentials: Whiteboarding**

Students whiteboarded yesterday’s problems. Since the problems are on the long side, I decided to do a gallery walk today. Stoichiometry seems to be clicking for a lot of students.

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