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Colloids

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Whipped Cream

What exactly is whipped cream?

Credit: Alex Gorzen
Source: http://commons.wikimedia.org/wiki/File:Strawberry_Milkshake.jpg
License: CC BY-NC 3.0

[Figure1]

A colloid is a homogeneous mixture that is evenly, microscopically dispersed. In a colloid, the mixture looks the same throughout and the particles cannot settle out over time. Common examples of colloids are milk, paint, lotion, smoke, and air. Is whipped cream a colloid? To determine this, we must go through our checklist.

Creative Applications

1.     Is whipped cream a mixture?

2.     Is it homogenous?

3.     Would the particles in whipped cream settle out over time?

If you answered yes to the first two and no to the last one, you got it right!  


Image Attributions

  1. [1]^ Credit: Alex Gorzen; Source: http://commons.wikimedia.org/wiki/File:Strawberry_Milkshake.jpg; License: CC BY-NC 3.0

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