AP Physics: AP Test Day
About two thirds of my students took the AP Physics 1 exam today, so my classes were smaller than usual. I gave them time on to work on their final projects and I cleaned up some lab equipment. I had a broken tumble buggy in my room that a student asked if he could take apart, and ended up getting it running again.
Physics: Retakes
Today was also the unofficial senior skip day, so my physics classes were pretty small, too. I gave students the opportunity to retake assessments in class today, though no one took me up on it. In one of my classes, I’d tried lighting a fire with a convex lens yesterday, but it was too cloudy, so we took advantage of today’s sunnier weather to get some more success.
Chemistry Essentials: Equilibrium
My chemistry class is only about one third seniors, so I actually got to do some teaching today! We did a lab with a reaction between iron nitrate and potassium thiocyanate to see what happened with various changes to shift the reaction equilibrium.
stoeckel180 
Why did so many of your students take the AP Exam on the late testing day?
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My school experienced a very difficult loss the night before the regular exam. Since we knew it would be an extremely tough day for a lot of my students, we got the okay from the College Board to give them the option of taking the test today.
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