Question: What will happen to the beans when you mix them with 7-Up?
Hypothesis: The beans will dance up and down.
Conclusion: A substance less dense than water will float. Beans are denser than water so they sink. The 7-Up contains bubbles of carbon dioxide which are less dense than water. The bubbles collect on the beans causing them to float and then they reach the surface, the bubbles pop and the beans sink to the bottom again. More bubbles form and they dance again.
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Academic Excellence for 56 years ~~
