Day 153: Final Projects, Ray Diagrams, & Whiteboarding

AP Physics 1: Final Projects

Students continued work on their final projects. One group wants to figure out the charge vs. time function for my Van de Graaff generator. All three students in the group have different predictions for what that function will look like, which lead to some debates with lots of great thinking.

Physics: Ray Diagrams

Students finished working on some ray diagrams for curved mirrors and prepped whiteboards for some mistakes whiteboarding on Monday. Yesterday, a lot of students got frustrated when the rays didn’t meet perfectly or when they had to use virtual rays, but I think a lot of that resolved today.

Chemistry Essentials: Reaction Types Whiteboarding

As a quick refresher before today’s quiz, I gave students a fairly long worksheet, then had them pick out one example of each reaction type to put on a whiteboard. One student showed me how he’s been splitting the formulas in single replacement and double replacement reactions to relate back to general forms like AB + CD → AD + BC.

reaction types splitting

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