**AP Physics: Angular Velocity**

I’ve decided to try embedding circular motion with kinematics, rather than introducing it as a separate unit, so today I introduced constant angular velocity. Students used a Direct Measurement Video of a rotating disk to plot both angle vs. time and distance vs. time for dots at different radii. I also introduced them to doing calculations in a spreadsheet since some of the number crunching they needed to do could be repetitive. Spreadsheets, high speed video, and some new physics was a lot to take in at once, so I gave more structure than usual, and my students rolled with it well.

**Earth Science: Currents**

Students prepped whiteboards with their conclusions to yesterday’s lab using the claim-evidence-reasoning framework. Students seemed excited to share their work with the class. Afterward, we made some connections to ocean currents.

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