AP Physics: Mystery Circuits
Students did a lab practical from The Physics Teacher to figure out how three light bulbs were wired together without opening the boxes. I did a little extra front-loading by asking students to sketch circuit paths and KVL diagrams, which set them up nicely to figure out what was going on in their box. A lot of students are disappointed that this is effectively the end of our circuit unit; its too bad I can’t direct my students towards the electronics courses in the IT department since they are seniors.
Physics: Cart Explosions
Students started collecting data on a series of cart explosions to introduce conservation of momentum by plotting the ratio of the cart masses vs. the ratio of the distance each traveled in order to hit the end stops simultaneously. I didn’t overhear any groups anticipating where to start their carts, which is unusual for this lab, but some groups were able to make limited predictions with a little prompting.
Chemistry Essentials: Formula Relay
Students did some more formula writing practice. Today, I had them work on whiteboards and required them to rotate who did the writing. A lot of my groups have fallen into a pattern where one or two people do most of the intellectual heavy lifting, and it was clearly challenging for them to have to articulate what to do instead taking the marker. There were also some students who have been relatively passive during group activities who seemed like they started to get the hang of formula writing, which is exactly what I hoped.
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