Erica Posthuma's blog

Planning my Professional Development

This is the time of year when I start looking ahead and planning my professional development for the new year.   As a mom to two young boys I simply cannot attend all the conferences, workshops, or lectures I’d like to.  I have to research my options and determine how each oppo

Simple Activities to Integrate Particle-Level Diagrams

There have been many conversations within the Chemistry Education community surrounding the revisions to the AP curriculum. Twitter has been buzzing with instructors debating how to implement the changes, conferences and workshops have participants deconstructing the data from last year’s exam, and classroom teachers are working diligently to prepare their students for this year’s test. One way the College Board has tried to shift the AP curriculum away from algorithmic problem solving and toward more meaningful conceptual understanding is through the use of particle diagrams.

Connecting and Collaborating with ACS

As this is my first blog post, I’d like to introduce myself to the ChemEdX community. I currently teach Chemistry I, Introduction to Organic and Biochemistry, and AP Chemistry at The University High School of Indiana. I use the Chemistry Modeling Curriculum in my classroom