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Building a Simulated Volcano
2011 VIRTUAL SCIENCE FAIR ENTRY
Volcanoes are very interesting. I wanted to find out what happens inside a volcano. I have read about it and also seen some videos. I made a model of volcano to see how a chemical reaction makes a magma-like liquid flow out of the volcano. I wanted to observe the chemical reaction between baking soda and vinegar which caused the “magma” to come out. I performed the experiment with 3 different amounts of vinegar – ¼ cup, ½ cup and 1 cup. Then I timed the reaction to see which amount made the reaction go longest. I then made a graph of the results and found out that as the amount of vinegar is increased, the reaction goes on for a longer time.
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