Day 76: Projectile Practical, Pie Charts, & Whiteboarding

AP Physics: Projectile Practical

Students did a lab practical to predict where a horizontal projectile will hit the ground. Once they succeeded, I asked them to predict where a lighter marble would land without any new measurements aside from mass. Some groups had an easier time than others explaining their prediction, so I need to keep embedding these opportunities in labs and holding students accountable for thorough explanations.


Retired referral forms work well as carbon paper

Physics: Pie Charts

Students worked on sketching energy pie charts. I added defining the system today; during forces, we almost always ended up with systems that had a single object, so a few students were bothered by including multiple objects. I also worked very hard to avoid telling students whether they were right or wrong, which drove a few of them nuts, but pushed them to justify their answers to their groups.

Chemistry Essentials: Whiteboarding

Groups whiteboarded yesterday’s problems. I decided to have all groups whiteboard the same problem without any intentional mistakes, then have a consensus-building discussion for each problem. Students were pretty engaged; a lot of students who checked out yesterday felt like they had some extra accountability, which in turn pushed them to ask more questions and have some good discussions.

chem wb.jpg


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