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Baking Soda and Vinegar Volcano

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Alex Arroyo

on 2 March 2014

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Transcript of Baking Soda and Vinegar Volcano

Baking Soda and Vinegar Volcano
By: Alex Arroyo

As a kid I had to make a volcano for science class. I remember erupting it outside and making all of my friends drop their jaws because I made the coolest volcano. Well I decided to recreate a volcano to really understand the concept of the reaction. I did some research and thought that doing this project would bring back great memories and teach me something new!
I feel that if I put the same amount of baking soda and vinegar in the volcano, the eruption will be the largest. If I put more of one substance in the volcano than the other substance I feel like the reaction won't be as large. Therefore I will test multiple amounts of substances. There will be different trials. My prediction is that an equal amount of vinegar and baking soda will have the greatest outcome and reaction.

The baking soda (sodium bicarbonate) is a base while the vinegar (acetic acid) is an acid. When they react together they form carbonic acid which is very unstable, it instantly breaks apart into water and carbon dioxide, which creates all the fizzing as it escapes the solution. This is an acid base reaction.

• Plaster volcano
• Vinegar
• Baking Soda
• Funnel
• Measuring Cups
• Ruler
There were many trials to this experiment so there were different procedures for each trial. All trials contained different amounts of baking soda and vinegar. But, all trials required me to put an amount of baking soda into the plaster volcano. After the baking soda is placed into the volcano, I then added vinegar. Then during each trial I measured the height of each eruption to see which amounts of the substances erupted the highest.
I came to a conclusion that my hypothesis was incorrect. Trial 2 was my trial which had the highest reaction. A half of an inch was the highest that the volcano erupted. In order to successfully make a great volcano, you should add 4 tablespoons of baking soda and 3 table spoons of vinegar. This way your reaction will be higher than any other amounts of ingredients that you add to the volcano! I enjoyed this project because I had fun while learning!
The results of my data table are that on Trial 1 my volcano shot 1/4 of an inch high. After doubling the "reaction" ingredient the baking soda and vinegar volcano shot up double compared to its first trial. The first trial had 2 tablespoons of baking soda and 3 tablespoons of vinegar. The second trial had 4 tablespoons of baking soda and 3 tablespoons of vinegar. The third trial had 8 tablespoons of baking soda and 3 tablespoons of vinegar. For trial 3, the reaction had no height.


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