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Erica Posthuma Profile
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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@eposthuma
Erica Posthuma
4 months
One of my students made this template for everyone in our class ❤️ #ochem #chemed
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@eposthuma
Erica Posthuma
1 year
One of my O chem students used @molview to create art with molecules
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@eposthuma
Erica Posthuma
1 year
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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@eposthuma
Erica Posthuma
1 year
Incorporating Indigenous Perspectives with Chemistry Lessons - an article by Yvonne Clifford  https://t.co/FmxuFjPIwN
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@eposthuma
Erica Posthuma
1 year
Check out these new updates from AP Teach and ChemEd X! https://t.co/stI5RIubBR
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@eposthuma
Erica Posthuma
1 year
Happy National Chemistry Week! Check out this new post from @pchemstud
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@eposthuma
Erica Posthuma
1 year
I love the #CER #chemEd community with Al D Hyde and the Keytones at #BCCE2024
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@eposthuma
Erica Posthuma
1 year
When #APChemistry royalty takes the dance floor. ❤️ @AmandaHoran8 @mrfarabaugh
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@eposthuma
Erica Posthuma
1 year
Found this gem at #bcce24
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@eposthuma
Erica Posthuma
1 year
Modeling at #bcce2024 How many electrons are present in the air?
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@eposthuma
Erica Posthuma
1 year
Amazing class today with Dr Greg Smith at @NewfieldsToday on the interface of art and science
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@eposthuma
Erica Posthuma
2 years
Hot dog heaven, south Florida. Saw it and knew @KarenKilgariff needed to see this.
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@eposthuma
Erica Posthuma
2 years
One of my students created this work of art.
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@ChemEdX
ChemEd Xchange
2 years
Have a 3D printer? Make some 3D printed models of various carbon allotropes! https://t.co/jMhNNt8qx7
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@ChemEdX
ChemEd Xchange
2 years
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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@eposthuma
Erica Posthuma
2 years
My student has thoughts on Maxwell-Boltzmann distributions.
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@eposthuma
Erica Posthuma
2 years
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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@AmyRoediger
Amy Roediger☮️
2 years
When the chemistry teacher gets room 602 #IYKYK
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@eposthuma
Erica Posthuma
2 years
New laptop sticker #ssdgm
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@aserkin
Ariel Serkin
3 years
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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