**AP Physics 1: Assessment**

Students took their pendulum assessment, initially scheduled for last Friday. They’ve been very quick to grade since students did really well.

**Physics: Problems**

Students worked projectile motion problems. A lot of students needed some coaching to remember how to solve problems from a velocity vs. time graph, which tells me we could stand to do a little more spiraling content in the course, but students were pretty successful overall. There was a great moment where a few students were feeling much more confident than usual who objected when someone at their table tried to get help from me before talking about their question with the rest of the table.

**Chemistry Essentials: Penny Isotopes**

Students used pennies to represent different isotopes of an atom, comparing the average mass of their whole set to the average mass of each type of penny. Because I distributed the pennies pretty randomly, all of the groups ended up with more post-1982 pennies, but I think it would have driven the point home a little stronger if some groups had more pre-1982 pennies.

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