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The Bouncing Egg Experiment

In & Outdoor $

Activity Overview

There is nothing quite like hands on science experiments for kids to really learn about scientific discovery. This Bouncing Egg Experiment is an experiment that children can prepare and do independently. Young scientists will have the ability to compare and contrast the effects that vinegar has on the properties of three eggs that are exposed to the substance for three varying time frames.

Materials Needed

  • 3 Eggs
  • Vinegar
  • 3 Plastic Cups
  • Plastic Spoon
  • Paper Towels

How It Is Done

  1. Place each of the eggs in a plastic cup and completely submerge the eggs in vinegar.
  2. Leave the cup undisturbed for the 24 hours, 36 hours, and 48 hours respectively.
  3. The vinegar will react to break down the egg shell.
  4. After one, one and a half and 2 days respectively use the spoon to remove the egg from the cup and dry it completely.
  5. Take all three of the eggs outside and very gently bounce them on your paper toweled surface.
  6. Note the difference in the bounce of each of the eggs and how they look and feel.

Scientific Explanation

Vinegar is an acid and the eggshell is made up of calcium carbonate. By soaking the egg in vinegar the vinegar permeates the eggshell through the process of osmosis. During this process, the egg shell structure breaks down and dissolves. The calcium will react to become carbon dioxide gas which is released into the air leaving behind the egg's pliable unbroken membrane.

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