Today’s experiment was so exciting! It involves only two ingredients- mentos and diet soda! We also purchased a geyser tube that we saw on @stevespanglerscience which is so awesome in helping to store and release the mentos at a specific time for an epic explosion!
This is a really quick experiment but so fun! We bought 4 bottles of coke to use. The first time, the kids left the red caps on the geyser tube which made the opening narrower. The second time they wanted to leave one off and keep one on (which is shown in our video) to see what would happen.
So what do we need for this epic geyser experiment? Read on below!
Supplies:
Mentos
Geyser
Coke
Directions:
1️⃣ Open the mentos package and remove the cap from the geyser tube.
2️⃣ Put as many mentos into the geyser tube that will fit. Make sure the red notch is closed (pushed in) so that way the mentos does not fall out. Alternatively, you can use a regular test tube to fill with the mentos candies and use an index card to cover the opening. Make sure the candies are all laying flat.
3️⃣ Cover the geyser tube with the cap.
4️⃣ Open the soda bottle.
5️⃣ Attach your geyser tube (make sure the red notch is still pushed in). If you are using a test tube, make sure your index card is under the inverted test tube. Place and hold directly over the coke bottle opening.
6️⃣ Pull back the red notch of the geyser tube while holding the coke bottle steady. If you are using the test tube- slide out your index card. Now stand back (or run!) and watch the geyser in action!
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