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Dry Ice
 Team 6P  Burke County Middle School


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By: Santana Avery

In my class we did different experiments with dry ice. One experiment we did was putting dry ice in a cup of water. Steam (water vapor) came up from it. We also put it in soap and water. The dry ice made the soap make bubbles.  Also, we touched it with tweezers. When we did it made a creaking sound, sort of like nails on a chalkboard. We dropped bits of water on it. It made steam and absorbed it.  When you put it in a bag with water it inflates the bag. It may eventually bust. Dry ice starts as liquid carbon dioxide at 63 atmosphere pressure.  The pressure changes cause the liquid to change into gas.  As a liquid evaporates to gas, heat is released.  Heat energy leaves the liquid carbon dioxide as it evaporates.  I really enjoyed this lab.