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Food samples from your home that are no longer fresh/needed, such as:

- one or two types of fruit
- one or two types of vegetables
- Bread
- coffee grounds
 (Note: you only need a small piece of each food type and do not use meat.)
- Sandwich bags
- paper/pencil to record data
- camera if available or sketch pad
- ruler

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    Complexity level:
    Project cost ($):
    Time required:
    You will need time to set up your food samples, make daily observations of your food samples for one week, then graph and analyze your results.
    Material availability:
    The materials needed for this lab can be found at home.
    Safety concerns: