Summary
A fast reaction makes a huge foamy column erupt as a catalyst releases the oxygen trapped inside hydrogen peroxide all at once. A short Nat Geo Kids clip (1:45) you can drop straight into a lesson.
Viewer safety
All ages
A demo best left to the video or a teacher -- the real reaction uses chemicals that need adult handling and eye protection.
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Teaching resources
Discussion questions
Discussion
A fast reaction makes a huge foamy column erupt as a catalyst releases the oxygen trapped inside hydrogen peroxide all at once.
- In your own words, what was this clip mostly about?
- What did you learn about reaction that you didn't know before?
- What's one question this makes you want to investigate further?
Quick work-a-long
Words to know: reaction, foam, catalyst.
Try it: Tell a partner what "Elephant Toothpaste" was about using these three words, then write down one new thing you learned and one thing you still wonder.