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Sometimes the best part of a package is the packing peanuts! They’re the inch-long, puffy pieces that protect fragile things like pictures frames and cups from breaking when they are shipped long distances. There are two kinds of packing peanuts: those made of starch, which is easy to break down, and those made of polystyrene, which is hard to break down.For this experiment, you need to use starch packing peanuts. Starch is made from plant material mixed with lots of carbon dioxide, the same stuff that makes the bubbles in soda pop. The plant material exists as a solid, while the carbon dioxide is a clear gas that has no smell. The texture of packing peanuts might feel familiar to you because many puffy breakfast cereals are made the same way packing peanuts are!Packing peanuts do an important job, but they take up a lot of space after the box arrives. People and businesses who get a lot of things shipped to them need to a way to get rid of their packing peanuts without filling up their garbage cans. Luckily, there are many ways to break down starch packing peanuts. Your job is to find the best one. What substances break down starch packing peanuts the fastest?
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Fecha publicaci?n: 12.5.2016
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