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Corn Kernels Dance in Bell Elementary STEM Lab
Corn Kernels Dance in Bell Elementary STEM Lab
Posted on 11/17/2021
At Charles C. Bell Elementary School, fifth graders watched corn kernels dance as they rose and fell in a water, vinegar, and baking soda mixture on Tuesday. As STEM Lab Assistant Karen Zick explained, a chemical reaction between the vinegar and baking soda releases carbon dioxide bubbles, which attach to the kernels and cause them to float. But when the bubbles reach the surface and pop, the kernels sink back down. This process repeats for up to 30 minutes.
At Charles C. Bell Elementary School, fifth graders watched corn kernels dance as they rose and fell in a water, vinegar, and baking soda mixture on Tuesday. As STEM Lab Assistant Karen Zick explained, a chemical reaction between the vinegar and baking soda releases carbon dioxide bubbles, which attach to the kernels and cause them to float. But when the bubbles reach the surface and pop, the kernels sink back down. This process repeats for up to 30 minutes.
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