Day 144: Choice Labs, Tuning Forks, & Reaction Types Reading

AP Physics: Choice Labs

Today, I set up kits for a variety of labs targeting different topics and had students pick which labs to complete. I also had one last set of free-response problems, and most groups picked to work on those rather than the labs. I think they see a clearer link between the written problems and the test than they see between the labs and the test. In one of my classes, several students left their lab group to go talk to a peer they see as an expert on a topic they wanted to work on, which was awesome.

Physics: Tuning Forks

Students did a lab playing with tuning forks and singing glasses to start building some ideas about sound. This was the most animated I’ve seen my students this tri, which was a lot of fun. Students also made some great observations; one noticed that when a tuning fork vibrates in water, the water shoots mostly to the sides and use that to help justify which way the tuning fork vibrates.

tuning forks.jpg

Chemistry Essentials: Reaction Types Reading

We got out the textbooks for students to start building some vocabulary for different types of reactions. I could tell students weren’t latching on to the vocabulary in the same way they do when we establish a concept before the language. Tomorrow, we’ll be doing an activity using Legos to practice recognizing the different reaction types, but I wonder if there is a way I can rework the Lego activity to put it first and motivate naming different types of reactions.

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