Why do biscuits float on coffee?!


Question: Why do biscuits float on coffee?
I would like to know a small background on the physics behind floatation and why does biscuits float on coffee.Sum it up in any way you can.

Thank you.

Answers:

Best Answer - Chosen by Voters

They only float until the liquid soaks into the biscuit and then the biscuit dissolves

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The yeast or leavening agent which creates co2 forms pockets in the biscuit. Therefore the biscuit displaces more liquid in weight than the biscuit weighs. Just as a boat or ship.


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