I found how to do this on Supercharged science.
If you get a piece of paper and you blow underneath the paper what would you think would happen? (would the paper go up or down ?)
The page would go up. If you blow on the top of the paper (would it go up or down?) it would go up it is amazing!
This happens because higher pressure always pushes. The higher pressure is underneath so the paper blows up!
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