Age Group: Any age group!
Total time: 5 minutes (including cleanup!)
Supplies
Diet Coke | 1 bottle
Original Mentos | At least 1
Container for the reaction
Directions
Just drop the Mentos into the bottle of Diet Coke, and make sure to back up a safe distance to watch the explosion! It may make a bit of a mess, so put the bottle in a large container.
Image source ScienceBuddies.org