In this video, you will learn about liquid densities as you follow along in an experiment testing the order various liquids will stack when added together in a glass. We will also add household items into the mix and see where they land in the mixture.


Hailee Talbot
STEM Student Assistant
University of Iowa Health Care

Materials needed for this activity:

  • Water
  • Oil (vegetable oil or canola oil)
  • Heavy liquid (honey, molasses, glue, corn syrup)
  • 3 small jars or cups
  • 1 larger clear jar or cup
  • Food coloring (optional)
  • Household items such as a paperclip, coin, pop tab, or bottle cap (optional)