Cream on the top

  1. Why is cream on the top being so much more dense than milk below?
  2. jcsd
  3. Nugatory

    Staff: Mentor

    Is it denser? It's more viscous, but that's not the same thing as being more dense.
  4. I'm pretty sure it's denser. We make butter out of it.
  5. SteamKing

    SteamKing 10,405
    Staff Emeritus
    Science Advisor
    Homework Helper

    Perhaps this article may clear up the confusion:

    The fat in cream is less dense than the milk, therefore the cream will rise to the top of the milk if the container is not agitated.

    Butter is not cream. Cream must be churned to turn it into butter. The churning separates the butterfat from the buttermilk.
  6. Nugatory

    Staff: Mentor

    Butter floats in water too.
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