Thursday, January 26, 2006

How Sublime

Today, we received a gift in the mail from Omaha Steaks. Now, you might think that the gift was meat, and certainly, there was some in the package. But the real gift was a bag full of dry ice. We were headed to the library, but I recognized the fleeting opportunity for a fun science experiment. So, I took it upstairs and cautioned everyone not to touch it! That was instant permission to squeal. We put some in water:

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We talked about CO2, how the solid sublimes directly into gas, whether hot or cold water was more effective. Then, we put out a flame with the gas. What else could we do? Well, we filled up some baggies and watched them pop. After the first squeal or two, that just wasn't enough bang, you know? So we tried something more: (note for you safety geeks, we were behind a protective door)

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So much fun. Life is like that you know? You have to catch those moments when you can.

1 comment:

Anne said...

That was pretty cool. My kids really enjoyed watching the videos!


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