Day 118: Board Meeting, Mistakes Whiteboarding, & Conservation of Mass

AP Physics 1: Kirchhoff Board Meeting

We had a board meeting where students shared the rules they’d come up with for current and potential difference, which lead into Kirchhoff’s rules. My students missed some details, especially around current, that I wanted them to see; normally, I would have sent them back to the lab to experiment a little more, but I ended up pointing out the info in the interest of time.

Physics: Mistakes Whiteboarding

We did some mistakes whiteboarding with yesterday’s problems. There are some students who haven’t had me before, so this was their first exposure to mistakes whiteboarding. A few of them started laughing and making some comments when a group clearly had some clearly unintentional mistakes, so I stepped in more than usual and, with help from students who’ve done this before, managed to shift the tone pretty quickly. I’ve been more conscious this year overall that I need to reset the culture in my classroom each trimester, but I dropped the ball today and didn’t revisit what it looks like to contribute during this kind of whiteboard discussion.

phys mistake (1).jpg

Chemistry Essentials: Conservation of Mass Lab

Students did a reaction in a Ziploc bag to see the conservation of mass in action. Students got good results, but balancing the reaction was tricky. The reaction is one of the trickier ones I ask students to balance in this course, so this may have been better near the end of the unit.

reaction in bag.jpg

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