LESSON 7: Milk Rainbow

92 LESSON 1:Goofy Putty92 LESSON 1:Goofy PuttyYou Be The Chemist Activity Guides |page 92 You Be The Chemist Activity Guides |page 92 You Be The Chemist Activity Guides |page 92 You Be The Chemist Activity Guide |page 92 LESSON 7: milk RainbowESTIMATED TIMES etup:5 minutes|Procedure:5 10 minutes DESCRIPTIONC reate swirls of color in milk and explore a propertyof liquids known as surface tension. OBJECTIVEThis LESSON will demonstrate the property of surfacetension and the effect that soap, a surfactant, has on thesurface tension of milk . Students will apply soap tomilk with food coloring on the surface to visualize theeffect of soap on the surface tension of milk . Thelesson can be extended to discuss a type of mixturescalled emulsions.

Milk is a natural emulsion of fats (oils) and proteins spread throughout water. Raw milk will eventually separate, with the fat rising to the top. However, store-bought milk generally looks homogeneous. The reason is that most store-bought milk goes through a process called homogenization that breaks down the fat particles so the

Loading..

Tags:

  Milk, Raw milk

Information

Related search queries