**AP Physics 1: Board Meeting**

Students whiteboarded their results from yesterday to get to a definition of angular momentum, as well as the relationship between torque and angular momentum. They made nice connections to conservation of linear momentum as well as impulse.

**Physics: Ray Diagram Mistakes**

We did mistakes whiteboarding with yesterday’s ray diagram problems. Students were doing very well figuring out which rays were critical to the problem and catching each other’s mistakes.

**Chemistry Essentials: Pivot Limiting Reactants**

*I am as part of Pivot Interactive’s Chemistry Fellows program.*

Students used Pivot Interactives to do a lab involving limiting reactants. Since lab data makes it tough to use particle diagrams, I tried having students convert their balanced reaction equation into “for every” statements. A lot of them were pretty successful using those statements to make sense of the other calculations I asked for.

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