sody pop and mentos l.
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sody pop and mentos

Sody-Pop and Mentos


history of mentos
History of Mentos
  • First popularized by Steve Spangler on 9News in 2005. which resulted in Internet coverage of the incident
    • (Slide show of mentos and cokes with audio in backround)
history of mentos3
History of Mentos
  • Every since then people have posted thousands of videos on you tube
    • (explosion montage)
  • Even Discover channel got in on the action and had an entire episode of mythbusters dedicated to mentos
    • (picture of mythbuster guys)
chemical explanation
Chemical Explanation
  • The driving force behind mentos and coke is a process called nucleation
    • (explosion montage continued)
  • In other words, Nucleation is the formation of CO2
    • (explosion montage continued)
chemical explanation5
Chemical Explanation
  • The surface of the mint Mentos is littered with many small holes, allowing CO2 bubbles to form very rapidly and in great quantity, eventually causing a violent jet of soda
    • Close up of mentos
  • colored mentos have a wax glazing on them which inhibits the magnitude of the explosion
    • Side by side comparison of mentos
experiment proving co2 is driving force behind nucleation
Experiment Proving CO2 is driving force behind nucleation
  • Here we are testing whether or not CO2 plays a role in the jet effect
    • (experiment in backround)
  • As we shake the soda, the balloon expands. The gas filling the balloon is CO2
    • (experiment)
  • When we place the mentos into the soda, there is no reaction because there is no CO2
other sodas
Other Sodas
  • However, is the CO2 the only factor in creating the jet effect ?
    • (Pan out to other soda experiments)