Colloid facts for kids
One substance can be the dispersion medium, such as water or gas. The other is kind of dispersed medium, sometimes called the 'internal phase'. This is never tiny solid particles. Otherwise, if the dispersion medium is a gas, then the internal phase may be either tiny particles or tiny droplets of a liquid.
Definition: A colloid is a substance microscopically dispersed evenly throughout another substance. The dispersed-phase particles have a diameter between about 5 and 200 nanometers. Colloids can be classified as follows:
|Gas||No such colloids are known
Helium and Xenon are known to be immiscible under certain conditions.
Examples: fog, clouds, mist, hair sprays
Examples: smoke, ice cloud, atmospheric particulate matter
Example: whipped cream, shaving cream
Examples: milk, mayonnaise, hand cream; latex
Examples: pigmented ink, blood
Examples: aerogel, styrofoam, pumice
Examples: agar, gelatin, jelly
Example: cranberry glass
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Colloid Facts for Kids. Kiddle Encyclopedia.