Day 96: Lots of Whiteboarding

AP Physics 1: Spring Period Board Meeting

We had a board meeting for the lab on the period of a spring. With all the days we’ve lost due to weather (and the potential for more in the forecast…), I cut it a bit short. My students aren’t in a place where they linearize automatically, but we did have some good conversation about the fact that the intercepts on the period vs. mass graph don’t make sense and students were very quick to come to a consensus that it sure looks like a square root relationship.

ap spring lab.jpg

Physics: Projectile Calculations

We revisited last week’s problem about an orange dropped from a tower to transition into projectile calculations. Students got into groups and whiteboarded solving for the time the orange took to fall and its final velocity. In each section, I had one group that opted to use conservation of energy to find the final velocity of the orange, which was a great way to contrast two different approaches. From there, we gave the orange some horizontal velocity to flesh out the calculations. This approach really drove home that students are being asked to remix old skills, not do something new.

phys calc.jpg

Chemistry Essentials: Bohr Model Whiteboarding

Students did a short worksheet figuring out the Bohr model structure of elements near the beginning of the periodic table. Afterward, students whiteboarded their answers for a gallery walk. I had each group do two elements from the same family to help the pattern in the number of valence electrons pop out.

bohr

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