Bread mold is a simple fungus which derives its food from a variety of materials such as grains, fruits, vegetables or flesh. Mold spores are tiny and usually remain suspended in air. As soon as it finds the right environment for it to grow, the spores transform into the living fungus.

How do bread molds come to life?

  • 1 slice of bread
  • resealable airtight plastic bag
  • dropper
  • cotton swab
  • milk
  • carton
  • adhesive tape
  • water
  • disposable rubber hand gloves for protection (disposable)


  1. Prepare all the materials needed.
  2. Collect dust from the ground on a cotton swab.
  3. Rub the soiled end on a slice of bread
  4. Put 6 drops water on the bread slice
  5. Put this bread slice in an airtight bag and seal it.
  6. Place this sealed bag in an empty milk carton (preferably with milk remains in it) and seal the carton
  7. Leave the set-up undisturbed for 24 hours.


When the sealed package is opened after 24 hours, the bread slice should be covered with bread molds. Write your observations. How many colors of bread molds are present on the bread slice? Do not inhale the mold spores while handling the bread molds. Always wear disposable gloves when handling the bread molds.

It is concluded the wet conditions can trigger germination of mold spores. The dust from the ground also serve as their nutrition so they thrive very well and very fast. These spores develop into living fungi once they get the proper nutrition and suitable environment condition.


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