Day 142: Models & Earthquake Scales

AP Physics: What Models Apply?

As we’ve been working free-response problems this week, the toughest part for most students was identifying what tools would be useful (almost like that’s actually a very challenging skill). I picked some free-response problems from practice tests and had students identify some models and representations they thought would be useful. Then, we discussed the justifications for the items students picked. 5 days to go!


Earth Science: Earthquake Rating Scales

Students read a bit about the three most common rating scales for earthquakes. Afterward, they used witness descriptions to map the Mercalli scale ratings for an imaginary earthquake. I added a question asking students to write a CER for the location of the epicenter, and was pleased with the discussion it sparked and the ways it helped students take the more abstract rating back to something very concrete.


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