Make A Mentos Soda Eruption Candy Science Experiment
In this fun and easy candy science experiment, we’re going to make a Mentos launcher to use to create a soda eruption.
Materials:
- Construction paper
- Roll of Mentos candy
- Tape
- Toothpick
- 2 Liter bottle of Diet Coke
- Eye protection
Instructions:
- Roll the construction paper around the package of Mentos candy. You should end up with a long narrow tube.
- Tape the seam and ends of the construction paper tube.
- Remove the roll of Mentos from inside of the tube.
- Take your materials outside if you have not done so already in case of an unexpected eruption or spill.
- Carefully remove the cap from the 2 liter bottle. Try not to shake up the soda.
- Tape one end of the construction paper over the opening of the soda bottle.
- Now, poke the toothpick through one side of the paper tube and out through the other side. This will stop the Mentos from falling into the soda for now.
- Next, unwrap the Mentos and load them into the tube. Four Mentos seems to work great.
- Be sure you have your eye protection on and a clear path to run from the eruption.
- Once you are fully prepared, pull the toothpick out carefully and make sure you do not knock the soda bottle over.
- Enjoy the eruption!
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How it Works:
Soda is pumped full of carbon dioxide before the bottle is sealed. The carbon dioxide is what makes soda bubbly. Tiny pits on the rough surface of the Mentos candy causes the carbon dioxide to quickly release from the soda. The release of carbon dioxide happens so fast that pressure builds up in the bottle. This pressure forces the soda out through the mouth of the bottle as an eruption or geyser.
Make This A Science Project:
Test different types and brands of soda. Test the soda at different temperatures. Test different types of candy. Try adding different amounts of Mentos.
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