Chemical Reactions

Learn about how chemical reactions require energy to activate and how to draw energy diagrams for chemical reactions. After watching the video, learners discuss why mixing hydrogen and oxygen gas in a balloon won't result in water.

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Instructional Ideas
  • Use the video to introduce chemical reactions
Classroom Considerations
  • Viewers should be familiar with basic chemistry terms, such as atoms and molecules
  • Be sure to watch the associated quiz and demo videos
Pros
  • Speaker is enthusiastic
  • Uses a simple metaphor of a ball rolling downhill to explain favorable chemical reactions
Cons
  • Video explains the concept of activation energy but never actually introduces this term