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TED-Ed

Why is ketchup so hard to pour? - George Zaidan

3,326,156 Views

8,277 Questions Answered

TEDEd Animation

Let’s Begin…

Ever go to pour ketchup on your fries…and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again.

Watch the video and finish the Think section to complete the lesson.


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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
George Zaidan
Director
Hector Herrera
Producer
Pazit Cahlon
Narrator
George Zaidan

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