| Fill a glass up to the top with water. |  |
| Carefully add more water. |  |
| You can slowly add more water until the water level is higher than the top of the glass!The reason is because the tiny water molecules are "holding on" to each other. This is called "surface tension." |  |
Sunday, December 12, 2010
Fill a Glass with More Water Than the Glass Can Hold
Fill a Glass with More Water Than the Glass Can Hold!
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