Erica Posthuma
@eposthuma
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HS Chem Teacher, #AMTA, ACS Fellow & Associate Editor for ChemEdX. #modchem #sbg 👩🏻🔬she/her
Indianapolis, IN
Joined March 2009
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Chemistry educators have been using Johnstone's Triangle for decades when designing lessons - learn about this new update to the triangle in the article from Nina Hike. https://t.co/KebMlnhjgO
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Incorporating Indigenous Perspectives with Chemistry Lessons - an article by Yvonne Clifford https://t.co/FmxuFjPIwN
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Happy National Chemistry Week! Check out this new post from @pchemstud
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Have a 3D printer? Make some 3D printed models of various carbon allotropes! https://t.co/jMhNNt8qx7
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This initial study outlines the effect on the colour of anthocyanin-containing solutions when mixed with caffeine. There is great potential for series of open-ended experiments for students to investigate.
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When the sales clerk from @lecreuset knows you have an obsession with their cookware so she calls you when they get new merchandise… 🧡💙💛❤️
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I'm trying to resign the nail lab that I do (iron nails & CuCl₂) that examines single replacement rxns & develop empirical formula to be more sustainable and less toxic. Any ideas? #iteachchem @ChemEdXpert
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