Difference between revisions of "Make a Spinning Cartesian Diver"
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| − | + | With this variation of the [[Make a Cartesian Diver with a Ketchup Packet|Cartesian diver]], you can put two of them in the same bottle and they'll spin in synchrony like little underwater dancers! This Cartesian diver can also demonstrate the principle of buoyancy (Archimedes’ principle) and the ideal gas law.<ref>https://en.wikipedia.org/wiki/Cartesian_diver</ref> | |
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== Steps == | == Steps == | ||
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# Grasp a bottle and experiment with squeezing it and loosening your grip. When this movement is repeated, the straws will spin as they go up and down. | # Grasp a bottle and experiment with squeezing it and loosening your grip. When this movement is repeated, the straws will spin as they go up and down. | ||
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| − | + | </center> | |
== Tips == | == Tips == | ||
