Skip to main content

What triggers a chemical reaction? - Kareem Jarrah


34,135 Questions Answered

TEDEd Animation

Let’s Begin…

Chemicals are in everything we see, and the reactions between them can look like anything from rust on a spoon to an explosion on your stovetop. But why do these reactions happen in the first place? Kareem Jarrah answers this question by examining the two underlying forces that drive both endothermic and exothermic chemical reactions: enthalpy and entropy.

About TED-Ed Animations

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 Kareem Jarrah
  • Director Darcy Vorhees
  • Animator Tom Beuerlein
  • Script Editor Emma Bryce
  • Narrator Addison Anderson

More from Actions and Reactions