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How many rubber bands does it take to explode certain fruits

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imogen howden

on 6 January 2015

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Transcript of How many rubber bands does it take to explode certain fruits

We hypothesized that the fruits with a harder exoskeleton will take more rubber bands to make it explode. Fruits such as watermelon will take a larger amount of the rubber bands, than a kiwi or a banana. We estimated the small watermelon would take 350 rubber bands, the kiwi would take 55 and the banana would take 50.

The Experiment
In our experiment we put the rubber bands on the fruit to measure the amount of rubber bands it would take to explode those fruits. The watermelon took a lot more than the kiwi and the banana. We sat outside in an open area and placed the fruits an acceptable length away from us. The rubber bands caused some fruits to explode, others to implode.
The Data
More Data
The small watermelon exploded and took 372 rubber bands and projected about 3 feet.
The Connection to Chemistry
The rubber bands pushing in on the surface of the fruits demonstrated pressure. The elasticity of the rubber bands pushing against the hard outside layer shows this connection. The evidence shows the amount of elasticity in the rubber bands and the outside layer of the fruit contributes greatly to the amount of pressure permitted in the experiment.
How many rubber bands does it take to explode certain fruits?
To conclude, our experiment was successful and our hypothesis was only off by few. The general basis that the watermelon would require more rubber bands than the kiwi and banana was true. To improve the experiment we would definitely use different brands of rubber bands and maybe fruits of different ages. Overall i do believe our experiment was successful in showing pressure and how many rubber bands it takes to explode certain fruits.
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