Go Crazy With Carbonation Those bubbles in your soda can bring you even more laughs than they normally do when tickling your nose. Use this fun device to test the capabilities of CO2. Using the U-Fizz tube plus vinegar and baking soda you provide, you can try to make anything fizz. Make a healthy soda pop with fruit juice. Try carbonating a gelatin dessert. There are so many fun uses for this great science project. Additional Resources: How Carbonation Works Recipe for Carbonated Jello