Science project
Does Skin Thickness Decrease Fruit Spoilage Rate?
Grade Level: 4th - 6th: Type: Food Science
Objective:
In this experiment, we will see if skin thickness decreases fruit spoilage rate.
Research Questions:
Does the thickness of the peel of the orange also affect its juiciness?
Many fruits have a peel or a skin, sometimes also called a rind. The peel protects the fruit during its growth period and while it is being transported to the market. In this experiment, we'll compare different kinds of oranges to see how important thickness is to slowing spoilage.
Materials:
- Navel oranges (thick skin)
- Valencia oranges (medium-thin skin)
- Mandarin oranges (very thick skin)
- Pen/paper for notes
Experimental Procedure:
- The oranges you pick should be the same age and freshness. You should bring them home on the same day.
- Set the different oranges on a table.
- Observe what happens to the oranges daily and see which one seems to decompose the fastest.
- Note the skin thickness.
- Record your results.
- You may want to conduct different trials for accuracy.
Suggested Chart
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Day 1
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Day 2
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Day 3
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Day 4
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Day 5
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Navel
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Valencia
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Mandarin
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Terms/Concepts: Oranges; Fruits; Fruit spoilage/ decomposition; Fruit Skin/Peel
References:
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Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.
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