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General Chemistry Science Fair Project

Egg with Vinegar

Science fair project - Egg with Vinegar
In this fun experiment, you can observe the amazing changes that occur when a raw egg is placed in vinegar for a few days. Watch what happens to the shell and the inside of the egg!


The hypothesis is that the vinegar (acid) will react with the calcium carbonate (base) in the egg shell, and the vinegar reacts with the proteins in the raw egg.

Method & Materials

You will place a raw egg into a jar and pour enough vinegar to cover the egg. Also place an egg in another jar and pour enough water in the jar to cover the egg. After 2-3 days, you will check the eggs.
You will need two eggs, vinegar, water and two jars that are large enough to hold the egg.


The experiment showed that the acidic vinegar dissolved the egg shell, which is made up of basic calcium carbonate. The egg placed in water did not dissolve. The most interesting observation was that the egg became rubbery! The acidic vinegar changed (denatured) the proteins in the egg white to make it rubbery.

Why do this project?

This science project is fascinating because it demonstrates the reaction between an acid and a base and shows how the acid can transform the egg's protein, making it rubbery.

Also Consider

Variations of this experiment could include testing different acids, such as lemon juice or orange juice, or boiling the egg before adding it to the vinegar.

Learn more

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

Related videos

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!!
Are you ready to witness a mind-boggling chemical reaction? Drop a raw egg into vinegar and be prepared to be amazed! You won't believe your eyes as the eggshell dissolves and disappears, leaving a translucent and rubbery egg behind. The vinegar, which is an acid, dissolves the eggshell, which is made up of calcium carbonate, a base. The resulting rubbery egg is the egg's protein, which has been denatured by the acid. This transformation reveals the remarkable capabilities of chemistry!
Have you ever wondered what happens to seashells when the ocean becomes more acidic? Check out the following video that shows an experiment comparing seashells in vinegar, which mimic the acidic ocean water, with the control of seashells in regular water. Can you guess what happened? The results were surprising and taught us how changes in the ocean can affect marine life. This experiment is a great way to learn about the powerful chemical reaction between acids and bases and understand the shocking impact of ocean acidification.
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