Another possible study we can do as a class is a study on produce or fruit from different supermarkets. We could all buy the same item from various supermarkets, and we each person could record its color, if it's organic or not, and where it was grown. We can leave the fruit/produce out and observe how it rots over time. We could also measure the size of the food item if we need more variables to study. This experiment would be impactful for learning about preservatives used in the food we purchase at grocery stores. It could also show us the difference in shelf life between organic and non-organic foods. There are various grocery stores students can visit to purchase their sample, including Trader Joe's, Big Y, Stop and Shop, Aldi, Target, and Whole Foods. Possible food items to observe are apples, spinach, bananas, avocados, tomatoes, carrots, etc. If its a food item with multiple varieties, such as apples, we would probably keep the variety observed constant. We may have to do research on shelf life ahead of time to choose a food item that won't rot in too short or too long a time.
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