Straws float in soda?

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Why do straws float in cups with soda but not in water? Is it the carbonation? If so, why?
Also, why does soda sometimes come out of the straw after drinking from the straw? Is it a vacuum that hasn’t been properly unsealed?

In: Physics

6 Answers

Anonymous 0 Comments

If you put your finger over the top of the straw before putting it in the soda, then it won’t float even when you remove your finger

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