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Egg in Vinegar Science Experiment – How to Make a Bouncy Egg

Mar 31,2023 by Edulab

Are you ready to take your egg game to the next level?

With a few simple supplies and a bit of patience, you can turn a regular raw egg into a bouncy ball-like object. This is a great experiment to do with kids or for anyone who loves a good science experiment.

Supplies needed:

  • Raw Egg
  • Glass or Jar
  • White Vinegar


Step 1 – Get a raw egg and carefully place it into a glass or jar. Then fill the glass with white vinegar until the egg is completely submerge

Step 2 – Leave the egg in the glass for 2-3 days*. Each day, check back on the egg. Make some observations.

  • Do you notice any changes to the egg?
  • Is anything happening to the vinegar?

Write down your observations each day.

After about 3 days, the egg will start to become translucent, and you will know it is ready to move to step 3.

*You can speed up the process by changing the vinegar halfway through.

Step 3 – Carefully remove the egg from the glass and rinse it under some tap water. While rinsing the egg, gently rub the outside of the egg, and the white film will come off, leaving you with a translucent egg. Examine the egg and make some observations.

  • Does the egg look different from when you started the experiment?
  • Does the egg feel different?
  • Perhaps you notice that it feels rubbery (like a bouncy ball).

Write down your observations.

Step 4 – Over a plate or other container, lift the egg 1-2 inches in the air, let go, and watch it bounce. Make some observations.

  • What happens to the egg?
  • Does it bounce?
  • Is this different than what you expected?

Step 5 – When you are ready for some messy fun, lift the egg a little higher in the air and let it go…SPLAT!

So, what’s happening here?

The vinegar in the glass is acetic acid, which reacts with the calcium carbonate in the eggshell, producing carbon dioxide gas. The carbon dioxide gas creates the bubbles you see forming on the eggshell when you first place it in the vinegar. Over time, the reaction causes the eggshell to dissolve, leaving behind the egg’s membrane. This membrane gives the egg its rubbery texture, and the lack of a hard shell allows the egg to bounce like a ball.

In conclusion, the Egg in Vinegar Science Experiment is a fun and educational way to explore chemical reactions and the properties of eggs. Kids and adults alike will love seeing the transformation of a raw egg into a bouncy ball-like object. Just be prepared for a little bit of messiness!