Today was our last day of class before winter break. In all three of my classes, we wrapped up a topic by taking an assessment.

**AP Physics 1: Energy Bar Charts & Unbalanced Forces**

I’ve been giving students at least two in-class opportunities on every learning target this year, so this assessment covered energy bar charts and revisited unbalanced forces. Almost everyone improved on unbalanced forces, which is exactly what I want to see!

**Physics: Conservation of Momentum**

Students took their conservation of momentum test. Students have been saying the bar charts make the math very intuitive, and it definitely shows on the work I’ve graded so far. This is definitely the easiest time I’ve seen students have with momentum.

**Chemistry Essentials: Density**

This assessment was more hit or miss than my other classes. I had some students who did great, but a few were surprised to see some representations, like particle diagrams and a mass vs. volume graph, that were significant components of our daily work. I’m thinking about doing some individual conferences with students after break to try to get a better understanding of what’s behind that.

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