Oil vs Water: Why Won't They Mix? | Density, Molecules & Emulsions
Why won't oil and water mix even when you shake them? Discover molecules, density, and kitchen chemistry in this fun STEM science adventure.
Step onto the microscopic dance floor where water molecules are throwing the ultimate party! Because water molecules are polar—acting like tiny, charged magnets—they stick together in an unbreakable, tight group hug. Meanwhile, oil molecules are non-polar and have totally different shapes, meaning they cannot grab a hand in the circle. Add in the fact that oil is less dense, and oil is forced to float right on top as an uninvited guest.
Even when…
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