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Made an alka-seltzer-powered rocket; what else can we do with the alka-seltzer?


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We made a rocket for Apologia Astronomy, which uses alka-seltzer to launch it. I have a bunch of leftover alka-seltzer now, so I was wondering if there are any other science experiments we can use it for. We did make two volcanoes to see what would erupt the best: alka-seltzer with warm water or baking soda with vinegar. (Baking soda and vinegar are by far more exciting, though the alka-seltzer keeps bubbling for longer).


Any other ideas?

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