Summary
The article I read stated ice cream was like an igneous rock. The author or authors believe this because of two qualities that both have. The first is how they are made, and second, what the particles look like under a microscope.
Both ice cream and igneous rocks are made somewhat alike. Ice cream is made by collecting chemicals and putting them all together. You freeze the mixture below its freezing point. While the mixture is freezing you want it stirred so it is smooth. But you must freeze it quickly to eliminate the possibilities of ice crystals growing large and ruining the ice cream. An igneous rock comes from a volcano; it is made of lava, so as it cools down it becomes a solid just like freezing ice cream makes it almost a solid.
Then it says in the article that a scanning electron image shows ice cream particles are like igneous rocks. In between the ice cream particles, ice crystals and air bubbles, is a sugar solution that separates the particles. In the article it also says that an igneous rock has separated mineral crystals in a glassy groundmass. So their make up looks similar.
Opinion
I found this article very educational, yet interesting. Without reading this article I would have never given any thought to that ice cream may be some kind of igneous rock. The writer's opinion was backed up with sufficient evidence, which made me really believe that ice cream could be some type of igneous rock, and I would love to learn more about the subject.
http://www.boingboing.net/208/08/21/ice-cream-is-an-igne.html
Picture
http://library.thinkquest.org/05aug/00461/images/igneous.jpg
http://i5.photobucket.com/albums/y152/boo_licious/misc4/BlueCheeseIceCream.jpg
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