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Kid playing the 'Why?' game outdone by science dad - 1 to 2
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General*
Windows Bob - the best!
Sat 7th Feb '09 11:26AM
4213 Posts
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Member Since
7th Apr '03
Linky



DAD: Why does the soap grab the dirt?

SARAH: Yes.

DAD: Because soap is a surfactant.

SARAH: Why?

DAD: Why is soap a surfactant?

SARAH: Yes.

DAD: That is an EXCELLENT question. Soap is a surfactant because it forms water-soluble micelles that trap the otherwise insoluble dirt and oil particles.

SARAH: Why?

DAD: Why does soap form micelles?

SARAH: Yes.

DAD: Soap molecules are long chains with a polar, hydrophilic head and a non-polar, hydrophobic tail. Can you say ‘hydrophilic’?




and so it goes on...
    

Kelly*
Poke me in the knees and call me Roger
Sun 8th Feb '09 8:16PM
758 Posts
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Member Since
4th Oct '03
That is brilliant!
   

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