Eating nails

Type Document
{:title=>"Leírás"} 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
Létrehozva 2016. május 24., kedd, 10:15
Frissítve 2016. május 24., kedd, 10:15
Size 900 KB

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