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Why don’t oil and water mix? - John Pollard


12,787 Questions Answered

TEDEd Animation

Let’s Begin…

Salt dissolves in water; oil does not. But why? You can think of that glass of water as a big, bumpin' dance party where the water molecules are always switching dance partners -- and they'd much rather dance with a salt ion. John Pollard explains how two chemistry principles, energetics and entropy, rule the dance floor.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator John Pollard
  • Animator Andrew Foerster
  • Sound Designer Devin Polaski
  • Narrator Addison Anderson

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