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OF REFRIGERATOR PROJECTS
Bring to class several samples of moldy food such as an orange with green or blue mold covering part of it, an apple with a brown spot, a sweet or white potato with black mold on it, or a carrot with a soft, moldy area. Scrape some mold from each sample onto healthy specimens of the same kind.
Put the healthy
specimens in sealed jars. Next, jab a sterilized needle or stiff wire
into the moldy portion of one sample, then pierce the skin of healthy
samples of different
Put all the inoculated, healthy specimens in sealed jars. Compare the results after several days.
After examining the healthy specimens that had mold scraped onto them, discuss how fruits and vegetables are structured to resist infections.
You will also realize that certain molds grow only on certain foods.
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