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What is rotting?

  1. If you leave a piece of fruit or a vegetable on the counter for too long, it will change color and develop an unpleasant odor.
  2. A fuzzy substance known as mold can grow on fruits or vegetables.
  3. This process is called rotting.

Why do things rot?

  1. When a farmer removes fruits or vegetables from their plants, they start to die immediately.
  2. All living things are made of small units called cells. As the fruits and vegetables die, their cells start to break down.
  3. Tiny microorganisms called bacteria, molds, and yeasts floating in the air land on the fruit and begin to further break down the fruit or vegetable.
  4. Moisture (water), light, temperature, and microorganisms work together to speed spoiling process.

How can we prevent things from rotting?

  1. Keeping foods in the refrigerator slows the spoiling process (less moisture, fewer microorganisms, less light, colder temperature), but food will eventually spoil.
  2. Keeping foods in the freezer at even colder temperatures slows the spoiling process even more.
  3. Never eat rotten food. It might make you sick. Rotten food may small bad, be a strange color, or have fuzzy mold spots on it.

Pee Yew! That’s Rotten!

Objective:

Observe the rotting process.

Materials:

Fruit, small dish

Procedure:

  • Leave a small chunk of fruit or vegetable out on the countertop in a small dish.
  • Observe the dish after a few hours and draw a picture of what you see.
  • Observe the dish after a day and draw a picture of what you see.
  • Observe the dish each subsequent day over the next week and draw a picture of what you see.

Results:

  • What changes did you observe over the week?
  • How long does it take for the fruit or vegetable to rot?

Comments on: "Understanding the Rotting Process in Fruits and Vegetables" (2)

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    […] Understanding the Rotting Process in Fruits and Vegetables […]

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