Toothpaste tweet

John Yohe from Pioneer Career and Technology Center (PCTC) in Shelby, Ohio shared with us on Twitter some fun photos of his student experience with The toothpaste challenge published in the September 2018 issue. 

Las setup with toothpaste and an electronic balance

A smiling girl squeezing a tube of toothpaste in one hand and the other hand has a syringe.

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