For my regular students I have them determine the pre and post collision velocity as a simple x/t calculation (we verify it’s moving constantly by seeing it move equal intervals down the ruler in equal frames). There are a lot of ways this could be done. The mass of the ball is provided and students have access to a ruler tool and stopwatch. Students begin this activity by reviewing the transformation of F=ma to the impulse-change in momentum relationship. It’s very well done, but I find that computer work usually hinders collaboration, so I moved away from having students answer in pivot even before the pandemic.īall against a wall in Pivot Interactives Important note : I don’t use the built-in questions/grading set up in pivot. I love this very simple activity that just involves a ball colliding with a vertical wall. Labs that are too expensive or cumbersome for a class set become attainable, make-up work, homebound, remote learning… you name it. If you can push for a subscription it’s very much worth it. Many of us came on to Pivot Interactives after the original library was migrated from “Direct Measurement Videos” many more of us came on to PI when we had to teach in the pandemic. Pivot Interactives Activity: Ball Against a Wall (regular level) That harms the teachers who share, those who are in need, and our profession as a whole. However, each activity presents rich opportunities for different conversations. There’s not a lot of “discovery” going on here, a primary driver is practice. These activities are all about giving students a “real-world” opportunity to collect data and calculate quantities from the course. Egg Drop Challenge (with a data-driven testing phase).Each serves a different purpose and function depending on the group of students, but most could be used interchangeably between levels depending on your own goals. In this post I will outline 3 activities I do in my classes.
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