The disappearing rainbow1 is a wonderful chemistry demonstration previously featured here on ChemEdX.2-4 In this experiment, a colorless solution of NaOH is poured into a row of flasks, each containing a different acid–base indicator.
The August AP Teach session focused on beginning a new school year with a review of student performance on the 2025 AP Chemistry exam. Jennifer Cambre shared ideas for how to interpret and analyze the data from the Instructional Planning Reports.
The July 2025 APTeach session focused on familiarizing AP Chemistry teachers with the Desmos graphing calculator, which is embedded in Bluebook for student use during the AP Chemistry exam, as well as other standardized tests.
APTeach recently announced their collaboration with ChemEd X! Read the announcement. Follow ChemEd X to keep up to date on what is happening with APTeach! If you aren't already receiving ChemEd X newsletters, create a
//Saturday, September 6, 2025•Anthony Stetzenmeyer
As teachers, we’ve all faced the challenge of aligning our grading practices with school policies and our colleagues’ approaches. In my own school, for instance, we’ve settled on a grading system that is 80% summative (quizzes, tests, labs) and 20% formative (everyday classwork and homework).
Given the success of the first installment of Five for the First, I thought I would write a follow-up column highlighting five more activities I do during the first week of school! These are activities I have used to set up my classes for success.
Welcome to the second installment of our (Re)Bootcamp series! In this post, three teachers share entry points into their larger pedagogical frameworks. If you have wanted to try new approaches to teaching your content but feel overwhelmed by the idea of overhauling your entire curriculum, check out these "sample-size" activities!