Question

explaination for teachers of volcano for science model compition ​

Answer 1

Answer:

This experiment demonstrates the classic chemical reaction between an acid (namely acetic acid present in the vinegar) and a carbonate (namely sodium hydrogen carbonate present in the baking soda). When exposed to acids, carbonate undergoes a decomposition reaction in which carbon dioxide is released as a gas.

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Answer 2

Answer:

There’s no grade school science project quite like the papier-mâché volcano. They teach a lesson in geology and general chemistry but there’s also fizzing lava! There’s hardly a school district where these creations aren’t a fixture at a science fair. That ubiquity, however, can make it difficult to stand out in the crowd. That’s why we reached out to Dr. Ken Hon. A tried-and-true volcanologist and Professor of Geology at Hawaii University, Dr. Hon has spent many a day studying the ins and outs of actual lava spewers. He was kind enough to offer his advice for creating an authentic volcano that looks and acts like the real thing.

Explanation: