Eating nails

Type Document
{:title=>"Description"} Are we really eating nails? How can there be iron in our cereal? The mystery here is the teacher demonstrating that iron filings can be extracted from a sample of breakfast cereal.
Tags
Author TEMI project group
Uploaded by Nicole
License Creative Commons Attribution-NonCommercial
Attribute to http://teachingmysteries.eu/en/about/?t=1
Language Language independent
Publication créée à mardi 24 mai 2016 10:15
Publication mise à jour à mardi 24 mai 2016 10:15
Size 900 ko

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