GRAND RAPIDS, Mich — The old volcano experiment is a classic - using a model volcano, combine baking soda and vinegar to get an eruption. In this experiment, we'll use the product of that eruption to ...
Start by gathering an empty water bottle, balloon, and a pushpin or scisors for later. To make sure that there is nothing wrong with the balloon, give it a test blow. Then, take the deflated balloon ...
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