| Carefully punch 3 small holes near the bottom of an empty carton or jug.Fill the carton or jug with water. Now you have 3 separate streams of water. |  |
| Pinch the streams of water together! |  |
| The tiny water molecules like to hold on to each other, which is called "surface tension."That's why you can sometimes tie knots in water! |  |
Sunday, December 12, 2010
Tying Water into Knots
Tying Water into Knots
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