Floating Coins (Yen, Aluminum)

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Floating Coins (Yen, Aluminum)

Coins floating or sitting in a fish tank

PIRA: 2A10.33

Materials: Yen, Mardi Gras Coin, Fish Tank, Water, Soap (If Necessary)

This demo is to show how coins denser than water can float due to surface tension. If you are having trouble getting the coins to float you can add soap and this will give the water greater surface tension.