Descripción
Before refrigerators and freezers were invented, people cooled their food and kept them from spoiling by putting it in ice and snow. This was obvious not convenient and does not nearly have the same power as a mechanic refrigerator/ freezer does. In this experiment students will find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.
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Auteurs
Auteur Sofia PC
Catégories Ficha para imprimir, Experimento/Práctica, 12-14 años, 10-12 años, Science Fair - Education, Biología, Inglés add
Mots clés add
Date de publication 27 / 08 / 2020
Licence La licence originale de la ressource est respectée.
Que se passe t’il ? lancer session
Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods?
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