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E Posthuma

University High School of Indiana
ChemEd X Subscriber, Subscriber, Staff, Editor
ChemEd X Member since: October 2013

Erica is an award-winning high school teacher with over 25 years of classroom experience. She has taught in both public and private independent schools in the Midwest. She has served on her ACS local section board, the Indiana University School of Education Alumni Board, the ACS Exams Institute Board of Trustees, and as the Director of Communications for the American Modeling Teachers Association. 

Posts

AP Teach Sessions Notes and Updates (2025-2026)
// Saturday, September 13, 2025 • E Posthuma
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 
Strategic Shifts: Small Moves Leading to Meaninful Change
// Thursday, July 31, 2025 • E Posthuma
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! 
choose your framework
Choose Your Framework
// Thursday, July 10, 2025 • E Posthuma
Welcome to our (Re)Bootcamp series! Below, two different styles of content presentation are shared, along with a teacher’s reflection on how each works in their classroom and why they chose this particular style. Interactive Notebooks By Nora Walsh
headphones
Science Modeling Talks Podcast
// Wednesday, December 4, 2019 • E Posthuma
This week marks the launch of a new science education podcast called, Science Modeling Talks.
glassware on pink background, text: Advanced High School Course: Lab Design
Advanced Chemical Lab Design
// Monday, September 16, 2019 • E Posthuma
Last spring I went to my administration with a proposal. I wanted to design an advanced laboratory course for a few students who had already taken AP Chemistry and wanted additional laboratory experience. With approval from the school administration and the Board, I began planning.