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Lv 5
science question! possibly air pressure?
when you take a container of water and turn it upside down with a note card as the "lid" tou n let go of the note card (upside down) and no water comes out. why? help! air pressure maybe?
1 Answer
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- ?Lv 48 years agoFavorite Answer
You are on the right track. Atmospheric air pressure holds the card in place and the surface tension of the water creates an air-tight seal to the container.
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