**AP Physics: Board Meeting**

Students whiteboarded the graphs for the pendulum lab. It usually feels a little hand-wavy getting from the lines of best fit to the full equation; I had one group a couple of years ago that reasoned out gravity should be involved, and connected the dots from there. I’d like to work on scaffolding strategies next time to give students the opportunity to take those steps themselves.

**Physics: Energy Transfer**

We revisited the previous energy transfer lab to come up with a formula for gravitational potential energy, then started a lab to find a relationship between the compression of a spring and the amount of gravitational potential energy transferred to a cart. Students were pretty quick to accept a linear fit to their data, so I want to make sure we spend some time tomorrow on the intercept of the graph.

**Chemistry Essentials: LOL Diagrams**

I introduced students to LOL diagrams and they used them to represent some phase change problems. Students took to the diagrams pretty easily, which was great to see.

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