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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

Olympiad Laboratory Challenge Part II
// Tuesday, May 17, 2016 • E Posthuma
For my students and me, the AP Chemistry exam does not mark the end of the school year. Once the AP exam is over, my students are exhausted but our class continues to meet for three more weeks. Each year we complete a qualitative analysis lab, but this year we finished earlier than I anticipated. For the first time all year, I have the luxury of time.
PBS
Interactive Bonding Resources from PBS
// Sunday, April 17, 2016 • E Posthuma
Recently, I was contacted on twitter by a concerned teacher who was using Chemistry Modeling Instruction for the first time. He was looking for supplemental materials to help his students understand why two atoms would form a covalent bond.
USNCO logo
An Unexpected Source of Inquiry-Based Lab Practicals
// Saturday, March 19, 2016 • E Posthuma
Each spring my Local Section of The American Chemical Society (ACS) hosts a rigorous two part exam as part of the selection process for the The International Chemistry Olympiad (IChO).
Black History Month
Still I Rise: A Student Perspective
// Tuesday, February 9, 2016 • E Posthuma
Natalie Murdock is one of my students. She has been passionate about science and specifically Chemistry, for as long as I’ve known her.