Why does toothpaste in the bottom of a sink repel water away?

Subject: Why does toothpaste in the bottom of a sink repel water away?

Date: Tue Feb 16 08:54:01 1999
Posted by Richard Fowler
Grade level: 7-9 School: South Mountain H.S.
City: Phoenix State/Province: Arizona Country: No country entered.
Area of science: Chemistry
ID: 919176841.Ch

Message:


When I brush my teeth I notice as I turn the water off and the 
water goes down the sink, the spot that the toothpaste is in 
pushes away the water and leaves a dry area around it.

Re: Why does toothpaste in the bottom of a sink repel water away?

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