Mentos Diet Coke Geyser

15 Minutes | All | Outdoors

Create your own geyser with diet coke



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Mentos Diet Coke Geyser

15 Minutes | All | Outdoors

  • Diet coke
  • Mentos

  1. Open the coke bottle
  2. Drop a tube of mentos into the coke and run!
  3. The resulting eruption will shoot high into the air
  4. Diet cola is used because it does not contain sugar and will not become sticky, but please do this experiment outside

  • Be careful when dropping the mints in the bottle, stand back
  • Always remain aware of your surroundings and follow local COVID-19 advice, including the Hands / Face / Space / Ventilation guidance.
  • If you’re meeting online, check out the advice on using Zoom and other popular digital platforms and the guidance on being safe online.
  • To help others do activities safely over Zoom, check out the example risk assessments and remember to make sure those taking part understand any care that needs to be applied.

Mentos Diet Coke Geyser completes requirements for the following badges

Beaver - Experiment


Cub - Scientist


Scout - Scientist