Thursday, May 24, 2012

Saturday Science

Marbled Nail Polish

Inspired by our friend K and her Scientriffic magazine, we attempted to create some dazzling marbled nails.

 
The girls created their very own marble nail design by dropping nail polish onto water, dragging a point through the circles of polish and then inserting their nail. The swirled nail polish adhered to the nail, resulting in a unique marbled design.

Why is it so?  The oil always floats to the top because it is less dense than water. Oil and water don’t mix because water molecules are more attracted to each other than to oil molecules.
Molecules of water are strongly attracted to each other because they are polar. Oil and water molecules are not attracted to each other because oil molecules are non-polar and hydrophobic or ‘water-fearing’. Oil has a lower density than water, so it always floats on top.
While we were busy with nail art, the TARDIS dropped in for a visit. It's always nice to see the Doctor.

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