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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Autores
Autor Sofia PC
Categorias Ficha para imprimir, Experimento/Práctica, 12-14 años, 10-12 años, Science Fair - Education, Biología, Inglés add
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Data de publicação 27 / 08 / 2020
Licença Respeita a licença original do recurso.
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Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods?
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