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How to store bread safelyFeatured science projectScience project video


The hypothesis that  bread mold will grow faster in warm and damp environment is proven to be true. Mold will grow fast on bread in humid and warm conditions. Bread should be kept in dark, dry and cool places for it to last longer. Bread can also last longer if stored in the fridge or in airtight containers. Adding some small amounts of edible chemicals like acetic acid or prop-ionic acid to the bread will also help to preserve it longer.

Mold is a nuisance when it comes to storing food, but it has its usefulness too. Molds help in the decomposing process of decaying animals and plants. Penicillium is used in pharmaceutical  work to produce medicine. 

Also consider

What would happen if the experiment was repeated by baking the bread at high temperatures again before starting the experiment?

The experiment can be repeated using different types of food like biscuits or cooked rice.


Bread mold -

Bread storage to prevent spoilage -

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Complexity level:
Project cost ($):
Time required:
1 hour to prepare, 8 days for observation
Material availability:
Very easily found. May be purchased at a supermarket/hobby store. Access to a refrigerator at school or at home is required.
Safety concerns: