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Raisin Elevators

Raisin Elevators | Science Fair Projects | STEM Projects
Ever wondered why raisins bob to the surface of a glass of soda water? This experiment will help you find out! You'll drop raisins into a glass of soda water and observe what happens.


The hypothesis is that the raisins will bob to the surface of the soda water.

Method & Materials

You will fill a glass or bottle half full with soda water and drop three or four raisins into the water.
You will need a glass or bottle, soda water, and raisins.


The experiment showed that the raisins bob to the surface of the soda water due to the carbon dioxide gas that collects on the irregular surfaces of the raisins.

Why do this project?

This science project is interesting and unique because it is a simple experiment that can be done with everyday materials and it produces a fun result.

Also Consider

Experiment variations to consider include using different types of soda water or adding more raisins to the glass.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

Hey there! Here are some awesome videos about this science project that we think you'll really like. They're not only super fun, but they'll also help you learn more about the science behind the project. So sit back, relax, and get ready to have some fun!!
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