Monday, November 26, 2012

Smithsonian Volcano Kit

My parents were visiting a few weeks ago and they bought Jonah a Smithsonian Volcano Kit. We were staying in a campground when we put it together. It makes for a great outdoors activity. I haven't used plaster of paris before (at least not that I can remember) and I really enjoyed it. We all got our hands wet, but Elisabeth particularly enjoyed that part.
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Phase 1 complete, we waited a couple of hours before painting it.  Papaw got in on the painting too.

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Getting ready to erupt.

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I didn't have any measuring cups in the RV so I think our vinegar to baking soda ratio was off a bit.  But, overall it was a success.




After the trip, we took the volcano home, and, in the following weeks, it inspired some of our homeschool activities: we read books about volcanos, learned about the Pacific Ring of Fire and watched a documentary on Mount St. Helens. We also did an experiment to see whether baking powder or baking soda had the best reaction with vinegar - as I recall baking soda works best. We erupted the volcano yet again. 

We still have it for another eruption in the future when we can review what we learned.
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