This is the diet coke and mentos experiment. I recommend doing this outside as it get REAL MESSY!!!!What you will need
-Diet Coke
-Mentos
What you need to do
- go in you garden or somewhere outside because this experiment get really messy
-get your diet coke then take of the cap and put 2 to 5 mentos in the bottle
-when you put the mentos in quickly get far away if you don´t want to get wet!
-KABOOM KAPOW the bottle will go crazy!!!
Although there are a few
different theories around about how this experiment works, the most
favoured reason is because of the combination of carbon dioxide in the
Diet Coke and the little dimples found on Mentos candy pieces.
The thing
that makes soda drinks bubbly is the carbon dioxide that is pumped in
when they bottle the drink at the factory. It doesn't get released from
the liquid until you pour it into a glass and drink it, some also gets
released when you open the lid (more if you shake it up beforehand).
This means that there is a whole lot of carbon dioxide gas just waiting
to escape the liquid in the form of bubbles.
Dropping
something into the Diet Coke speeds up this process by both breaking the
surface tension of the liquid and also allowing bubbles to form on the
surface area of the Mentos. Mentos candy pieces are covered in tiny
dimples (a bit like a golf ball), which dramatically increases the
surface area and allows a huge amount of bubbles to form.
The
experiment works better with Diet Coke than other sodas due to its
slightly different ingredients and the fact that it isn't so sticky. I
also found that Diet Coke that had been bottled more recently worked
better than older bottles that might have lost some of their fizz
sitting on shop shelves for too long, just check the bottle for the
date.
