This is why the egg swells in size during the experiment. The discoloration in the vinegar and floating material you see is calcium acetate - a product of the chemical reaction. How long does it take ...

A popular science experiment -- often called the bouncy egg -- is conducted by leaving a raw egg in vinegar for over 48 hours. After its vinegar bath, the shell can easily be rubbed away and the ...

There's no reason for this experiment not to work other than your egg hasn't been left in vinegar for long enough. After a few days press on the egg and if the shell is still hard, give it more time.

What do you observe? The eggshell and the antacid tablet shouldn’t do anything interesting in the water but they should cause bubbling in the vinegar. Cover your work surface with newspaper or paper ...

Step 8: Look at the egg in vinegar next. You might see it is covered ... should be drastically different to the other eggs in the experiment.

Experiment with both and see ... soak in water and a few tablespoons white vinegar overnight to remove the protective layer ...