What is the science behind the Mentos and Coke experiment?

In the Diet Coke bottle the Mentos candy provides a rough surface that allows the bonds between the carbon dioxide gas and water to break more easily, helping to create carbon dioxide bubbles. Because Mentos candies are rather dense, they sink rapidly through the liquid, causing a fast, large eruption.

Does the Mentos trick work?

The trick works with any carbonated beverage. It works with regular cola, orange soda, root beer, etc. It’s actually very cool when performed with tonic water under a black light because you get a glowing blue fountain. However, you can use seltzer water (very easy cleanup) or any soda.

How did they make the Mentos and soda fountain?

The Diet Coke and Mentos eruption is a classic science demonstration. The project is also known as the Mentos and soda fountain or the soda geyser. Originally, the geyser was made by dropping Wint-O-Green Life Savers into a soft drink.

Why do Mentos have so many bubbles in them?

Rough-surfaced mints without the surfactant did not create such large fountains. Mentos are also fairly dense and sink rapidly, quickly creating bubbles that seed further bubbles as they rise. Crushed Mentos that fell more slowly created puny fountains that only travelled about 30 centimetres.

What kind of Science is Mentos and diet soda?

Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. The Diet Coke and Mentos eruption is a classic science demonstration. The project is also known as the Mentos and soda fountain or the soda geyser.

Which is the best soda for Mentos eruption?

Diet Coke (far right) produces the best effect for the Mentos soda eruption. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. The Diet Coke and Mentos eruption is a classic science demonstration.