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How does cardboard float?

Updated: 9/28/2023
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Wiki User

9y ago

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If you cut a bit of it there is a flat surface and then ridges of cardboard of top. The little ridges have air trapped in them, which causes the cardboard to float.

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Angus Koepp

Lvl 10
1y ago
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12y ago

You really can't:)) Cardboard gets soggy in water and will eventually sink, no matter what. however, do you have clay? You can make it into the shape of a boat, let it dry, and I think it will float. However it probably would sink if you put it in a kiln so don't do that. Also tell whoever you plan to five it to that you should only put it in water a few times. If you really want to make it out of cardboard, only put it in water once, after that if you put it in again it will be so soggy it will get all mushy and sink and start to fall apart. Make sure that the boat does not have holes.

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Q: How does cardboard float?
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Can an object made of cardboard float?

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