The document provides instructions for an activity where students are divided into groups and each group member is assigned a different liquid (corn syrup, dishwashing liquid, water, or vegetable oil). The groups observe and record what happens when each liquid is slowly poured down the side of a tilted clear plastic cup containing corn syrup. They then discuss their observations and hypotheses for why the liquids behaved differently, with one student from each group presenting their conclusions to the class. The activity demonstrates that liquids layer according to their density, with lower density liquids floating above higher density liquids.