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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

understanding boxes at the bottom of an assessment
A Strategy to Encourage Self-Reflection
// Monday, September 16, 2019 • E Posthuma
A few weeks ago I posted the tweet below (see figure ) about how my students were applying the law of conservation of mass. I gave @ChemixLab a shout out because I had created the images of the balances included in the questions using the Chemix platform.
Chem101
// Wednesday, February 15, 2017 • E Posthuma
Chem 101 is a FREE (for a limited time) app for any apple or android device designed to improve engagement in college chemistry courses. Although the intended audience is college level, there are modules appropriate for high school as well. Students can use the app to practice on their own, or instructors can create in-class or at home assignments.
American Modeling Teachers Association
New Benefits of AMTA Membership
// Friday, December 23, 2016 • E Posthuma
The American Modeling Teachers Association (AMTA) is an international, professional community comprised of over 2800 passionate, innovative, and connected educators. Members include high school and university level STEM educators, educational research professionals, as well as pre-service and retired teachers.
Haiku Learning
Popular SBG Gradebook, ActiveGrade, Now Freely Available.
// Monday, August 15, 2016 • E Posthuma
ActiveGrade has been a favorite among practitioners of Standards-Based Assessment.  It's intuitive interface and elegant data displays helped teachers, students, and parents have meaningful conversations about student progress and assessment.